Home / 21,542.76-32,275.26-11,122.92

Finding the Fourth Proportional to 21,542.76, 32,275.26 and 11,122.92

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Solution

The fourth proportional to 21,542.76, 32,275.26 and 11,122.92 is: 16,664.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,542.76 : 32,275.26 = 11,122.92 : x
  2. Step 2: Convert to fraction form
    21,542.76/32,275.26 = 11,122.92/x
  3. Step 3: Cross multiply
    21,542.76x = 32,275.26 × 11,122.92
  4. Step 4: Simplify right side
    21,542.76x = 358,995,134.96
  5. Step 5: Solve for x
    x = 358,995,134.96/21,542.76
  6. Step 6: Final answer
    x = 16,664.31

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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.