Home / 28,585.62-42,876.36-9,610.38

Finding the Fourth Proportional to 28,585.62, 42,876.36 and 9,610.38

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Solution

The fourth proportional to 28,585.62, 42,876.36 and 9,610.38 is: 14,414.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585.62 : 42,876.36 = 9,610.38 : x
  2. Step 2: Convert to fraction form
    28,585.62/42,876.36 = 9,610.38/x
  3. Step 3: Cross multiply
    28,585.62x = 42,876.36 × 9,610.38
  4. Step 4: Simplify right side
    28,585.62x = 412,058,112.62
  5. Step 5: Solve for x
    x = 412,058,112.62/28,585.62
  6. Step 6: Final answer
    x = 14,414.87

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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.