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Finding the Fourth Proportional to 39,998, 59,999.96 and 15,374

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Solution

The fourth proportional to 39,998, 59,999.96 and 15,374 is: 23,062.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,998 : 59,999.96 = 15,374 : x
  2. Step 2: Convert to fraction form
    39,998/59,999.96 = 15,374/x
  3. Step 3: Cross multiply
    39,998x = 59,999.96 × 15,374
  4. Step 4: Simplify right side
    39,998x = 922,439,385.04
  5. Step 5: Solve for x
    x = 922,439,385.04/39,998
  6. Step 6: Final answer
    x = 23,062.14

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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.