Home / 21,374.22-32,061.36-5,791.82

Finding the Fourth Proportional to 21,374.22, 32,061.36 and 5,791.82

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Solution

The fourth proportional to 21,374.22, 32,061.36 and 5,791.82 is: 8,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374.22 : 32,061.36 = 5,791.82 : x
  2. Step 2: Convert to fraction form
    21,374.22/32,061.36 = 5,791.82/x
  3. Step 3: Cross multiply
    21,374.22x = 32,061.36 × 5,791.82
  4. Step 4: Simplify right side
    21,374.22x = 185,693,626.08
  5. Step 5: Solve for x
    x = 185,693,626.08/21,374.22
  6. Step 6: Final answer
    x = 8,687.74

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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.