Home / 21,843.12-32,750.76-10,159.92

Finding the Fourth Proportional to 21,843.12, 32,750.76 and 10,159.92

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Solution

The fourth proportional to 21,843.12, 32,750.76 and 10,159.92 is: 15,233.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,843.12 : 32,750.76 = 10,159.92 : x
  2. Step 2: Convert to fraction form
    21,843.12/32,750.76 = 10,159.92/x
  3. Step 3: Cross multiply
    21,843.12x = 32,750.76 × 10,159.92
  4. Step 4: Simplify right side
    21,843.12x = 332,745,101.54
  5. Step 5: Solve for x
    x = 332,745,101.54/21,843.12
  6. Step 6: Final answer
    x = 15,233.41

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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.