Home / 27,842.18-38,422.24-15,095.43

Finding the Fourth Proportional to 27,842.18, 38,422.24 and 15,095.43

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Solution

The fourth proportional to 27,842.18, 38,422.24 and 15,095.43 is: 20,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,842.18 : 38,422.24 = 15,095.43 : x
  2. Step 2: Convert to fraction form
    27,842.18/38,422.24 = 15,095.43/x
  3. Step 3: Cross multiply
    27,842.18x = 38,422.24 × 15,095.43
  4. Step 4: Simplify right side
    27,842.18x = 580,000,196.62
  5. Step 5: Solve for x
    x = 580,000,196.62/27,842.18
  6. Step 6: Final answer
    x = 20,831.71

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1.5x scale

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.