Home / 28,691.33-39,593.49-15,944.41

Finding the Fourth Proportional to 28,691.33, 39,593.49 and 15,944.41

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Solution

The fourth proportional to 28,691.33, 39,593.49 and 15,944.41 is: 22,002.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,691.33 : 39,593.49 = 15,944.41 : x
  2. Step 2: Convert to fraction form
    28,691.33/39,593.49 = 15,944.41/x
  3. Step 3: Cross multiply
    28,691.33x = 39,593.49 × 15,944.41
  4. Step 4: Simplify right side
    28,691.33x = 631,294,827.59
  5. Step 5: Solve for x
    x = 631,294,827.59/28,691.33
  6. Step 6: Final answer
    x = 22,002.99

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1.5x scale

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.