Home / 55,276.90-82,899.15-25,687.60

Finding the Fourth Proportional to 55,276.90, 82,899.15 and 25,687.60

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Solution

The fourth proportional to 55,276.90, 82,899.15 and 25,687.60 is: 38,523.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.90 : 82,899.15 = 25,687.60 : x
  2. Step 2: Convert to fraction form
    55,276.90/82,899.15 = 25,687.60/x
  3. Step 3: Cross multiply
    55,276.90x = 82,899.15 × 25,687.60
  4. Step 4: Simplify right side
    55,276.90x = 2,129,480,205.54
  5. Step 5: Solve for x
    x = 2,129,480,205.54/55,276.90
  6. Step 6: Final answer
    x = 38,523.87

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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.