Home / 23,789.80-32,829.42-13,718.20

Finding the Fourth Proportional to 23,789.80, 32,829.42 and 13,718.20

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Solution

The fourth proportional to 23,789.80, 32,829.42 and 13,718.20 is: 18,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,789.80 : 32,829.42 = 13,718.20 : x
  2. Step 2: Convert to fraction form
    23,789.80/32,829.42 = 13,718.20/x
  3. Step 3: Cross multiply
    23,789.80x = 32,829.42 × 13,718.20
  4. Step 4: Simplify right side
    23,789.80x = 450,360,549.44
  5. Step 5: Solve for x
    x = 450,360,549.44/23,789.80
  6. Step 6: Final answer
    x = 18,930.83

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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.