Home / 36,489.33-54,755.61-15,428.22

Finding the Fourth Proportional to 36,489.33, 54,755.61 and 15,428.22

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Solution

The fourth proportional to 36,489.33, 54,755.61 and 15,428.22 is: 23,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,489.33 : 54,755.61 = 15,428.22 : x
  2. Step 2: Convert to fraction form
    36,489.33/54,755.61 = 15,428.22/x
  3. Step 3: Cross multiply
    36,489.33x = 54,755.61 × 15,428.22
  4. Step 4: Simplify right side
    36,489.33x = 844,781,246.40
  5. Step 5: Solve for x
    x = 844,781,246.40/36,489.33
  6. Step 6: Final answer
    x = 23,151.46

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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.