Home / 17,521.28-26,281.92-7,126.08

Finding the Fourth Proportional to 17,521.28, 26,281.92 and 7,126.08

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Solution

The fourth proportional to 17,521.28, 26,281.92 and 7,126.08 is: 10,689.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,521.28 : 26,281.92 = 7,126.08 : x
  2. Step 2: Convert to fraction form
    17,521.28/26,281.92 = 7,126.08/x
  3. Step 3: Cross multiply
    17,521.28x = 26,281.92 × 7,126.08
  4. Step 4: Simplify right side
    17,521.28x = 187,287,064.47
  5. Step 5: Solve for x
    x = 187,287,064.47/17,521.28
  6. Step 6: Final answer
    x = 10,689.12

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Similar ratio
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1.5x scale

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.