Home / 21,570.29-32,358.15-5,987.91

Finding the Fourth Proportional to 21,570.29, 32,358.15 and 5,987.91

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Solution

The fourth proportional to 21,570.29, 32,358.15 and 5,987.91 is: 8,982.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,570.29 : 32,358.15 = 5,987.91 : x
  2. Step 2: Convert to fraction form
    21,570.29/32,358.15 = 5,987.91/x
  3. Step 3: Cross multiply
    21,570.29x = 32,358.15 × 5,987.91
  4. Step 4: Simplify right side
    21,570.29x = 193,757,689.97
  5. Step 5: Solve for x
    x = 193,757,689.97/21,570.29
  6. Step 6: Final answer
    x = 8,982.62

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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.