Home / 23,789.16-32,831.04-13,179.78

Finding the Fourth Proportional to 23,789.16, 32,831.04 and 13,179.78

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Solution

The fourth proportional to 23,789.16, 32,831.04 and 13,179.78 is: 18,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,789.16 : 32,831.04 = 13,179.78 : x
  2. Step 2: Convert to fraction form
    23,789.16/32,831.04 = 13,179.78/x
  3. Step 3: Cross multiply
    23,789.16x = 32,831.04 × 13,179.78
  4. Step 4: Simplify right side
    23,789.16x = 432,705,884.37
  5. Step 5: Solve for x
    x = 432,705,884.37/23,789.16
  6. Step 6: Final answer
    x = 18,189.20

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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.