Home / 19,831.92-27,366.66-10,879.22

Finding the Fourth Proportional to 19,831.92, 27,366.66 and 10,879.22

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Solution

The fourth proportional to 19,831.92, 27,366.66 and 10,879.22 is: 15,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.92 : 27,366.66 = 10,879.22 : x
  2. Step 2: Convert to fraction form
    19,831.92/27,366.66 = 10,879.22/x
  3. Step 3: Cross multiply
    19,831.92x = 27,366.66 × 10,879.22
  4. Step 4: Simplify right side
    19,831.92x = 297,727,777.97
  5. Step 5: Solve for x
    x = 297,727,777.97/19,831.92
  6. Step 6: Final answer
    x = 15,012.55

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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.