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Finding the Fourth Proportional to 16,672.20, 25,008.30 and 10,451.40

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Solution

The fourth proportional to 16,672.20, 25,008.30 and 10,451.40 is: 15,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,672.20 : 25,008.30 = 10,451.40 : x
  2. Step 2: Convert to fraction form
    16,672.20/25,008.30 = 10,451.40/x
  3. Step 3: Cross multiply
    16,672.20x = 25,008.30 × 10,451.40
  4. Step 4: Simplify right side
    16,672.20x = 261,371,746.62
  5. Step 5: Solve for x
    x = 261,371,746.62/16,672.20
  6. Step 6: Final answer
    x = 15,677.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.