Home / 27,879.44-38,472.59-15,132.35

Finding the Fourth Proportional to 27,879.44, 38,472.59 and 15,132.35

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Solution

The fourth proportional to 27,879.44, 38,472.59 and 15,132.35 is: 20,882.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,879.44 : 38,472.59 = 15,132.35 : x
  2. Step 2: Convert to fraction form
    27,879.44/38,472.59 = 15,132.35/x
  3. Step 3: Cross multiply
    27,879.44x = 38,472.59 × 15,132.35
  4. Step 4: Simplify right side
    27,879.44x = 582,180,831.30
  5. Step 5: Solve for x
    x = 582,180,831.30/27,879.44
  6. Step 6: Final answer
    x = 20,882.08

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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.