Home / 26,758.10-40,137.60-10,125.97

Finding the Fourth Proportional to 26,758.10, 40,137.60 and 10,125.97

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Solution

The fourth proportional to 26,758.10, 40,137.60 and 10,125.97 is: 15,189.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,758.10 : 40,137.60 = 10,125.97 : x
  2. Step 2: Convert to fraction form
    26,758.10/40,137.60 = 10,125.97/x
  3. Step 3: Cross multiply
    26,758.10x = 40,137.60 × 10,125.97
  4. Step 4: Simplify right side
    26,758.10x = 406,431,932.78
  5. Step 5: Solve for x
    x = 406,431,932.78/26,758.10
  6. Step 6: Final answer
    x = 15,189.12

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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.