Home / 21,879.18-32,800.14-10,028.97

Finding the Fourth Proportional to 21,879.18, 32,800.14 and 10,028.97

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Solution

The fourth proportional to 21,879.18, 32,800.14 and 10,028.97 is: 15,034.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,879.18 : 32,800.14 = 10,028.97 : x
  2. Step 2: Convert to fraction form
    21,879.18/32,800.14 = 10,028.97/x
  3. Step 3: Cross multiply
    21,879.18x = 32,800.14 × 10,028.97
  4. Step 4: Simplify right side
    21,879.18x = 328,951,620.06
  5. Step 5: Solve for x
    x = 328,951,620.06/21,879.18
  6. Step 6: Final answer
    x = 15,034.92

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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.