Home / 23,131.92-34,841.96-21,509.76

Finding the Fourth Proportional to 23,131.92, 34,841.96 and 21,509.76

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Solution

The fourth proportional to 23,131.92, 34,841.96 and 21,509.76 is: 32,398.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,131.92 : 34,841.96 = 21,509.76 : x
  2. Step 2: Convert to fraction form
    23,131.92/34,841.96 = 21,509.76/x
  3. Step 3: Cross multiply
    23,131.92x = 34,841.96 × 21,509.76
  4. Step 4: Simplify right side
    23,131.92x = 749,442,197.53
  5. Step 5: Solve for x
    x = 749,442,197.53/23,131.92
  6. Step 6: Final answer
    x = 32,398.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.