Home / 20,505.96-28,299.51-11,552.49

Finding the Fourth Proportional to 20,505.96, 28,299.51 and 11,552.49

Calculator

Solution

The fourth proportional to 20,505.96, 28,299.51 and 11,552.49 is: 15,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,505.96 : 28,299.51 = 11,552.49 : x
  2. Step 2: Convert to fraction form
    20,505.96/28,299.51 = 11,552.49/x
  3. Step 3: Cross multiply
    20,505.96x = 28,299.51 × 11,552.49
  4. Step 4: Simplify right side
    20,505.96x = 326,929,806.28
  5. Step 5: Solve for x
    x = 326,929,806.28/20,505.96
  6. Step 6: Final answer
    x = 15,943.16

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.