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Finding the Fourth Proportional to 57,565.17, 86,347.80 and 16,012.17

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Solution

The fourth proportional to 57,565.17, 86,347.80 and 16,012.17 is: 24,018.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,565.17 : 86,347.80 = 16,012.17 : x
  2. Step 2: Convert to fraction form
    57,565.17/86,347.80 = 16,012.17/x
  3. Step 3: Cross multiply
    57,565.17x = 86,347.80 × 16,012.17
  4. Step 4: Simplify right side
    57,565.17x = 1,382,615,652.73
  5. Step 5: Solve for x
    x = 1,382,615,652.73/57,565.17
  6. Step 6: Final answer
    x = 24,018.27

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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.