Home / 23,203.52-32,020.38-13,131.78

Finding the Fourth Proportional to 23,203.52, 32,020.38 and 13,131.78

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Solution

The fourth proportional to 23,203.52, 32,020.38 and 13,131.78 is: 18,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,203.52 : 32,020.38 = 13,131.78 : x
  2. Step 2: Convert to fraction form
    23,203.52/32,020.38 = 13,131.78/x
  3. Step 3: Cross multiply
    23,203.52x = 32,020.38 × 13,131.78
  4. Step 4: Simplify right side
    23,203.52x = 420,484,585.68
  5. Step 5: Solve for x
    x = 420,484,585.68/23,203.52
  6. Step 6: Final answer
    x = 18,121.59

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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.