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Finding the Fourth Proportional to 25,732, 35,511.12 and 14,553.76

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Solution

The fourth proportional to 25,732, 35,511.12 and 14,553.76 is: 20,084.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,732 : 35,511.12 = 14,553.76 : x
  2. Step 2: Convert to fraction form
    25,732/35,511.12 = 14,553.76/x
  3. Step 3: Cross multiply
    25,732x = 35,511.12 × 14,553.76
  4. Step 4: Simplify right side
    25,732x = 516,820,317.81
  5. Step 5: Solve for x
    x = 516,820,317.81/25,732
  6. Step 6: Final answer
    x = 20,084.73

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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.