Home / 21,538.23-32,294.10-8,375.26

Finding the Fourth Proportional to 21,538.23, 32,294.10 and 8,375.26

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Solution

The fourth proportional to 21,538.23, 32,294.10 and 8,375.26 is: 12,557.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,538.23 : 32,294.10 = 8,375.26 : x
  2. Step 2: Convert to fraction form
    21,538.23/32,294.10 = 8,375.26/x
  3. Step 3: Cross multiply
    21,538.23x = 32,294.10 × 8,375.26
  4. Step 4: Simplify right side
    21,538.23x = 270,471,483.97
  5. Step 5: Solve for x
    x = 270,471,483.97/21,538.23
  6. Step 6: Final answer
    x = 12,557.74

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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.