Home / 36,194.10-54,288.45-15,128.70

Finding the Fourth Proportional to 36,194.10, 54,288.45 and 15,128.70

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Solution

The fourth proportional to 36,194.10, 54,288.45 and 15,128.70 is: 22,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,194.10 : 54,288.45 = 15,128.70 : x
  2. Step 2: Convert to fraction form
    36,194.10/54,288.45 = 15,128.70/x
  3. Step 3: Cross multiply
    36,194.10x = 54,288.45 × 15,128.70
  4. Step 4: Simplify right side
    36,194.10x = 821,313,673.52
  5. Step 5: Solve for x
    x = 821,313,673.52/36,194.10
  6. Step 6: Final answer
    x = 22,691.92

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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.