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Finding the Fourth Proportional to 17,581.53, 26,375.84 and 6,488.28

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Solution

The fourth proportional to 17,581.53, 26,375.84 and 6,488.28 is: 9,733.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,581.53 : 26,375.84 = 6,488.28 : x
  2. Step 2: Convert to fraction form
    17,581.53/26,375.84 = 6,488.28/x
  3. Step 3: Cross multiply
    17,581.53x = 26,375.84 × 6,488.28
  4. Step 4: Simplify right side
    17,581.53x = 171,133,802.71
  5. Step 5: Solve for x
    x = 171,133,802.71/17,581.53
  6. Step 6: Final answer
    x = 9,733.73

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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.