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Finding the Fourth Proportional to 25,257.52, 34,841.10 and 15,809.68

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Solution

The fourth proportional to 25,257.52, 34,841.10 and 15,809.68 is: 21,808.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,257.52 : 34,841.10 = 15,809.68 : x
  2. Step 2: Convert to fraction form
    25,257.52/34,841.10 = 15,809.68/x
  3. Step 3: Cross multiply
    25,257.52x = 34,841.10 × 15,809.68
  4. Step 4: Simplify right side
    25,257.52x = 550,826,641.85
  5. Step 5: Solve for x
    x = 550,826,641.85/25,257.52
  6. Step 6: Final answer
    x = 21,808.42

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