Home / 26,825.38-40,242.30-8,103.09

Finding the Fourth Proportional to 26,825.38, 40,242.30 and 8,103.09

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Solution

The fourth proportional to 26,825.38, 40,242.30 and 8,103.09 is: 12,155.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,825.38 : 40,242.30 = 8,103.09 : x
  2. Step 2: Convert to fraction form
    26,825.38/40,242.30 = 8,103.09/x
  3. Step 3: Cross multiply
    26,825.38x = 40,242.30 × 8,103.09
  4. Step 4: Simplify right side
    26,825.38x = 326,086,918.45
  5. Step 5: Solve for x
    x = 326,086,918.45/26,825.38
  6. Step 6: Final answer
    x = 12,155.91

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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.