Home / 27,428.38-41,141.21-9,659.92

Finding the Fourth Proportional to 27,428.38, 41,141.21 and 9,659.92

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Solution

The fourth proportional to 27,428.38, 41,141.21 and 9,659.92 is: 14,489.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428.38 : 41,141.21 = 9,659.92 : x
  2. Step 2: Convert to fraction form
    27,428.38/41,141.21 = 9,659.92/x
  3. Step 3: Cross multiply
    27,428.38x = 41,141.21 × 9,659.92
  4. Step 4: Simplify right side
    27,428.38x = 397,420,646.15
  5. Step 5: Solve for x
    x = 397,420,646.15/27,428.38
  6. Step 6: Final answer
    x = 14,489.39

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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.