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Finding the Fourth Proportional to 19,952.73, 29,915.73 and 14,034.47

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Solution

The fourth proportional to 19,952.73, 29,915.73 and 14,034.47 is: 21,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,952.73 : 29,915.73 = 14,034.47 : x
  2. Step 2: Convert to fraction form
    19,952.73/29,915.73 = 14,034.47/x
  3. Step 3: Cross multiply
    19,952.73x = 29,915.73 × 14,034.47
  4. Step 4: Simplify right side
    19,952.73x = 419,851,265.63
  5. Step 5: Solve for x
    x = 419,851,265.63/19,952.73
  6. Step 6: Final answer
    x = 21,042.30

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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.