Home / 22,831.16-34,253.26-13,479.72

Finding the Fourth Proportional to 22,831.16, 34,253.26 and 13,479.72

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Solution

The fourth proportional to 22,831.16, 34,253.26 and 13,479.72 is: 20,223.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,831.16 : 34,253.26 = 13,479.72 : x
  2. Step 2: Convert to fraction form
    22,831.16/34,253.26 = 13,479.72/x
  3. Step 3: Cross multiply
    22,831.16x = 34,253.26 × 13,479.72
  4. Step 4: Simplify right side
    22,831.16x = 461,724,353.89
  5. Step 5: Solve for x
    x = 461,724,353.89/22,831.16
  6. Step 6: Final answer
    x = 20,223.43

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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.