Home / 17,626.48-26,442.20-5,147.43

Finding the Fourth Proportional to 17,626.48, 26,442.20 and 5,147.43

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Solution

The fourth proportional to 17,626.48, 26,442.20 and 5,147.43 is: 7,721.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,626.48 : 26,442.20 = 5,147.43 : x
  2. Step 2: Convert to fraction form
    17,626.48/26,442.20 = 5,147.43/x
  3. Step 3: Cross multiply
    17,626.48x = 26,442.20 × 5,147.43
  4. Step 4: Simplify right side
    17,626.48x = 136,109,407.04
  5. Step 5: Solve for x
    x = 136,109,407.04/17,626.48
  6. Step 6: Final answer
    x = 7,721.87

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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.