Home / 42,593.28-63,893.76-11,428.32

Finding the Fourth Proportional to 42,593.28, 63,893.76 and 11,428.32

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Solution

The fourth proportional to 42,593.28, 63,893.76 and 11,428.32 is: 17,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,593.28 : 63,893.76 = 11,428.32 : x
  2. Step 2: Convert to fraction form
    42,593.28/63,893.76 = 11,428.32/x
  3. Step 3: Cross multiply
    42,593.28x = 63,893.76 × 11,428.32
  4. Step 4: Simplify right side
    42,593.28x = 730,198,335.28
  5. Step 5: Solve for x
    x = 730,198,335.28/42,593.28
  6. Step 6: Final answer
    x = 17,143.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.