Home / 21,691.20-32,555.27-15,466.46

Finding the Fourth Proportional to 21,691.20, 32,555.27 and 15,466.46

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Solution

The fourth proportional to 21,691.20, 32,555.27 and 15,466.46 is: 23,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,691.20 : 32,555.27 = 15,466.46 : x
  2. Step 2: Convert to fraction form
    21,691.20/32,555.27 = 15,466.46/x
  3. Step 3: Cross multiply
    21,691.20x = 32,555.27 × 15,466.46
  4. Step 4: Simplify right side
    21,691.20x = 503,514,541.14
  5. Step 5: Solve for x
    x = 503,514,541.14/21,691.20
  6. Step 6: Final answer
    x = 23,212.85

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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.