Home / 41,428.28-57,170.94-22,565.36

Finding the Fourth Proportional to 41,428.28, 57,170.94 and 22,565.36

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Solution

The fourth proportional to 41,428.28, 57,170.94 and 22,565.36 is: 31,140.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,428.28 : 57,170.94 = 22,565.36 : x
  2. Step 2: Convert to fraction form
    41,428.28/57,170.94 = 22,565.36/x
  3. Step 3: Cross multiply
    41,428.28x = 57,170.94 × 22,565.36
  4. Step 4: Simplify right side
    41,428.28x = 1,290,082,842.64
  5. Step 5: Solve for x
    x = 1,290,082,842.64/41,428.28
  6. Step 6: Final answer
    x = 31,140.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.