Home / 20,825.78-31,243.52-6,034.97

Finding the Fourth Proportional to 20,825.78, 31,243.52 and 6,034.97

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Solution

The fourth proportional to 20,825.78, 31,243.52 and 6,034.97 is: 9,053.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,825.78 : 31,243.52 = 6,034.97 : x
  2. Step 2: Convert to fraction form
    20,825.78/31,243.52 = 6,034.97/x
  3. Step 3: Cross multiply
    20,825.78x = 31,243.52 × 6,034.97
  4. Step 4: Simplify right side
    20,825.78x = 188,553,799.09
  5. Step 5: Solve for x
    x = 188,553,799.09/20,825.78
  6. Step 6: Final answer
    x = 9,053.87

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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.