Home / 82,401.60-123,586.20-26,997.60

Finding the Fourth Proportional to 82,401.60, 123,586.20 and 26,997.60

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Solution

The fourth proportional to 82,401.60, 123,586.20 and 26,997.60 is: 40,491.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,401.60 : 123,586.20 = 26,997.60 : x
  2. Step 2: Convert to fraction form
    82,401.60/123,586.20 = 26,997.60/x
  3. Step 3: Cross multiply
    82,401.60x = 123,586.20 × 26,997.60
  4. Step 4: Simplify right side
    82,401.60x = 3,336,530,793.12
  5. Step 5: Solve for x
    x = 3,336,530,793.12/82,401.60
  6. Step 6: Final answer
    x = 40,491.09

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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.