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Finding the Fourth Proportional to 17,252.92, 25,879.38 and 13,773.88

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Solution

The fourth proportional to 17,252.92, 25,879.38 and 13,773.88 is: 20,660.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,252.92 : 25,879.38 = 13,773.88 : x
  2. Step 2: Convert to fraction form
    17,252.92/25,879.38 = 13,773.88/x
  3. Step 3: Cross multiply
    17,252.92x = 25,879.38 × 13,773.88
  4. Step 4: Simplify right side
    17,252.92x = 356,459,474.59
  5. Step 5: Solve for x
    x = 356,459,474.59/17,252.92
  6. Step 6: Final answer
    x = 20,660.82

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1.5x scale

Why These Related Problems?

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