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Finding the Fourth Proportional to 25,101.29, 34,633.88 and 14,488.88

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Solution

The fourth proportional to 25,101.29, 34,633.88 and 14,488.88 is: 19,991.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,101.29 : 34,633.88 = 14,488.88 : x
  2. Step 2: Convert to fraction form
    25,101.29/34,633.88 = 14,488.88/x
  3. Step 3: Cross multiply
    25,101.29x = 34,633.88 × 14,488.88
  4. Step 4: Simplify right side
    25,101.29x = 501,805,939.97
  5. Step 5: Solve for x
    x = 501,805,939.97/25,101.29
  6. Step 6: Final answer
    x = 19,991.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.