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Finding the Fourth Proportional to 62,578, 93,866 and 15,193.48

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Solution

The fourth proportional to 62,578, 93,866 and 15,193.48 is: 22,789.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,578 : 93,866 = 15,193.48 : x
  2. Step 2: Convert to fraction form
    62,578/93,866 = 15,193.48/x
  3. Step 3: Cross multiply
    62,578x = 93,866 × 15,193.48
  4. Step 4: Simplify right side
    62,578x = 1,426,151,193.68
  5. Step 5: Solve for x
    x = 1,426,151,193.68/62,578
  6. Step 6: Final answer
    x = 22,789.98

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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.