Home / 38,514.56-57,752.16-17,720

Finding the Fourth Proportional to 38,514.56, 57,752.16 and 17,720

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Solution

The fourth proportional to 38,514.56, 57,752.16 and 17,720 is: 26,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,514.56 : 57,752.16 = 17,720 : x
  2. Step 2: Convert to fraction form
    38,514.56/57,752.16 = 17,720/x
  3. Step 3: Cross multiply
    38,514.56x = 57,752.16 × 17,720
  4. Step 4: Simplify right side
    38,514.56x = 1,023,368,275.20
  5. Step 5: Solve for x
    x = 1,023,368,275.20/38,514.56
  6. Step 6: Final answer
    x = 26,570.95

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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.