Home / 38,691.84-57,963.02-28,542.32

Finding the Fourth Proportional to 38,691.84, 57,963.02 and 28,542.32

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Solution

The fourth proportional to 38,691.84, 57,963.02 and 28,542.32 is: 42,758.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,691.84 : 57,963.02 = 28,542.32 : x
  2. Step 2: Convert to fraction form
    38,691.84/57,963.02 = 28,542.32/x
  3. Step 3: Cross multiply
    38,691.84x = 57,963.02 × 28,542.32
  4. Step 4: Simplify right side
    38,691.84x = 1,654,399,065.01
  5. Step 5: Solve for x
    x = 1,654,399,065.01/38,691.84
  6. Step 6: Final answer
    x = 42,758.35

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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.