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Finding the Fourth Proportional to 39,932, 59,900.88 and 15,308

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Solution

The fourth proportional to 39,932, 59,900.88 and 15,308 is: 22,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,932 : 59,900.88 = 15,308 : x
  2. Step 2: Convert to fraction form
    39,932/59,900.88 = 15,308/x
  3. Step 3: Cross multiply
    39,932x = 59,900.88 × 15,308
  4. Step 4: Simplify right side
    39,932x = 916,962,671.04
  5. Step 5: Solve for x
    x = 916,962,671.04/39,932
  6. Step 6: Final answer
    x = 22,963.10

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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.