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Finding the Fourth Proportional to 17,655.29, 26,489.00 and 11,073.77

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Solution

The fourth proportional to 17,655.29, 26,489.00 and 11,073.77 is: 16,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,655.29 : 26,489.00 = 11,073.77 : x
  2. Step 2: Convert to fraction form
    17,655.29/26,489.00 = 11,073.77/x
  3. Step 3: Cross multiply
    17,655.29x = 26,489.00 × 11,073.77
  4. Step 4: Simplify right side
    17,655.29x = 293,332,905.72
  5. Step 5: Solve for x
    x = 293,332,905.72/17,655.29
  6. Step 6: Final answer
    x = 16,614.45

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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.