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Finding the Fourth Proportional to 17,398.78, 26,098.33 and 5,712

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Solution

The fourth proportional to 17,398.78, 26,098.33 and 5,712 is: 8,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,398.78 : 26,098.33 = 5,712 : x
  2. Step 2: Convert to fraction form
    17,398.78/26,098.33 = 5,712/x
  3. Step 3: Cross multiply
    17,398.78x = 26,098.33 × 5,712
  4. Step 4: Simplify right side
    17,398.78x = 149,073,660.96
  5. Step 5: Solve for x
    x = 149,073,660.96/17,398.78
  6. Step 6: Final answer
    x = 8,568.05

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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.