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Finding the Fourth Proportional to 72,956, 109,434 and 17,552

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Solution

The fourth proportional to 72,956, 109,434 and 17,552 is: 26,328

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,956 : 109,434 = 17,552 : x
  2. Step 2: Convert to fraction form
    72,956/109,434 = 17,552/x
  3. Step 3: Cross multiply
    72,956x = 109,434 × 17,552
  4. Step 4: Simplify right side
    72,956x = 1,920,785,568
  5. Step 5: Solve for x
    x = 1,920,785,568/72,956
  6. Step 6: Final answer
    x = 26,328

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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.