Home / 26,217.48-39,311.19-12,170.28

Finding the Fourth Proportional to 26,217.48, 39,311.19 and 12,170.28

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Solution

The fourth proportional to 26,217.48, 39,311.19 and 12,170.28 is: 18,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,217.48 : 39,311.19 = 12,170.28 : x
  2. Step 2: Convert to fraction form
    26,217.48/39,311.19 = 12,170.28/x
  3. Step 3: Cross multiply
    26,217.48x = 39,311.19 × 12,170.28
  4. Step 4: Simplify right side
    26,217.48x = 478,428,189.43
  5. Step 5: Solve for x
    x = 478,428,189.43/26,217.48
  6. Step 6: Final answer
    x = 18,248.44

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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.