Home / 19,831.91-27,367.85-10,879.44

Finding the Fourth Proportional to 19,831.91, 27,367.85 and 10,879.44

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Solution

The fourth proportional to 19,831.91, 27,367.85 and 10,879.44 is: 15,013.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.91 : 27,367.85 = 10,879.44 : x
  2. Step 2: Convert to fraction form
    19,831.91/27,367.85 = 10,879.44/x
  3. Step 3: Cross multiply
    19,831.91x = 27,367.85 × 10,879.44
  4. Step 4: Simplify right side
    19,831.91x = 297,746,882.00
  5. Step 5: Solve for x
    x = 297,746,882.00/19,831.91
  6. Step 6: Final answer
    x = 15,013.53

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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.