Home / 26,414.31-39,622.68-10,821

Finding the Fourth Proportional to 26,414.31, 39,622.68 and 10,821

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Solution

The fourth proportional to 26,414.31, 39,622.68 and 10,821 is: 16,232.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,414.31 : 39,622.68 = 10,821 : x
  2. Step 2: Convert to fraction form
    26,414.31/39,622.68 = 10,821/x
  3. Step 3: Cross multiply
    26,414.31x = 39,622.68 × 10,821
  4. Step 4: Simplify right side
    26,414.31x = 428,757,020.28
  5. Step 5: Solve for x
    x = 428,757,020.28/26,414.31
  6. Step 6: Final answer
    x = 16,232.00

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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.