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Finding the Fourth Proportional to 17,733.27, 26,606.01 and 7,879.44

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Solution

The fourth proportional to 17,733.27, 26,606.01 and 7,879.44 is: 11,821.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,733.27 : 26,606.01 = 7,879.44 : x
  2. Step 2: Convert to fraction form
    17,733.27/26,606.01 = 7,879.44/x
  3. Step 3: Cross multiply
    17,733.27x = 26,606.01 × 7,879.44
  4. Step 4: Simplify right side
    17,733.27x = 209,640,459.43
  5. Step 5: Solve for x
    x = 209,640,459.43/17,733.27
  6. Step 6: Final answer
    x = 11,821.87

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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.