Home / 27,431.31-41,164.19-10,790.90

Finding the Fourth Proportional to 27,431.31, 41,164.19 and 10,790.90

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Solution

The fourth proportional to 27,431.31, 41,164.19 and 10,790.90 is: 16,193.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431.31 : 41,164.19 = 10,790.90 : x
  2. Step 2: Convert to fraction form
    27,431.31/41,164.19 = 10,790.90/x
  3. Step 3: Cross multiply
    27,431.31x = 41,164.19 × 10,790.90
  4. Step 4: Simplify right side
    27,431.31x = 444,198,398.10
  5. Step 5: Solve for x
    x = 444,198,398.10/27,431.31
  6. Step 6: Final answer
    x = 16,193.12

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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.