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Finding the Fourth Proportional to 39,962, 59,945.88 and 15,338

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Solution

The fourth proportional to 39,962, 59,945.88 and 15,338 is: 23,008.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,962 : 59,945.88 = 15,338 : x
  2. Step 2: Convert to fraction form
    39,962/59,945.88 = 15,338/x
  3. Step 3: Cross multiply
    39,962x = 59,945.88 × 15,338
  4. Step 4: Simplify right side
    39,962x = 919,449,907.44
  5. Step 5: Solve for x
    x = 919,449,907.44/39,962
  6. Step 6: Final answer
    x = 23,008.11

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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.