Home / 24,818.92-34,287.78-18,520.36

Finding the Fourth Proportional to 24,818.92, 34,287.78 and 18,520.36

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Solution

The fourth proportional to 24,818.92, 34,287.78 and 18,520.36 is: 25,586.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,818.92 : 34,287.78 = 18,520.36 : x
  2. Step 2: Convert to fraction form
    24,818.92/34,287.78 = 18,520.36/x
  3. Step 3: Cross multiply
    24,818.92x = 34,287.78 × 18,520.36
  4. Step 4: Simplify right side
    24,818.92x = 635,022,029.20
  5. Step 5: Solve for x
    x = 635,022,029.20/24,818.92
  6. Step 6: Final answer
    x = 25,586.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.