Home / 28,195.29-42,279.44-9,470.13

Finding the Fourth Proportional to 28,195.29, 42,279.44 and 9,470.13

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Solution

The fourth proportional to 28,195.29, 42,279.44 and 9,470.13 is: 14,200.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,195.29 : 42,279.44 = 9,470.13 : x
  2. Step 2: Convert to fraction form
    28,195.29/42,279.44 = 9,470.13/x
  3. Step 3: Cross multiply
    28,195.29x = 42,279.44 × 9,470.13
  4. Step 4: Simplify right side
    28,195.29x = 400,391,745.78
  5. Step 5: Solve for x
    x = 400,391,745.78/28,195.29
  6. Step 6: Final answer
    x = 14,200.66

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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.