**Answer:**

a= 8 b= 12 c= 16

**or**

8:12:16

**Solution:**

First, **add.**

2 + 3 + 4 = **9**

Then, **divide.**

36 ÷ 9 = **4**

Then, **multiply (by ratio)**

(a=) 4 × 2 = 8

(b=) 4 × 3 = 12

(c=) 4 × 4 = 16

**Checking:**

8 + 12 = 20 + 16 = **36**

Therefore, **the answer is 8:12:16**

**#StudyingMakesPerfect <3**