Home / 25,426.92-38,131.02-8,782.68

Finding the Fourth Proportional to 25,426.92, 38,131.02 and 8,782.68

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Solution

The fourth proportional to 25,426.92, 38,131.02 and 8,782.68 is: 13,170.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,426.92 : 38,131.02 = 8,782.68 : x
  2. Step 2: Convert to fraction form
    25,426.92/38,131.02 = 8,782.68/x
  3. Step 3: Cross multiply
    25,426.92x = 38,131.02 × 8,782.68
  4. Step 4: Simplify right side
    25,426.92x = 334,892,546.73
  5. Step 5: Solve for x
    x = 334,892,546.73/25,426.92
  6. Step 6: Final answer
    x = 13,170.79

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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.