Home / 26,932.78-40,399.46-9,402.66

Finding the Fourth Proportional to 26,932.78, 40,399.46 and 9,402.66

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Solution

The fourth proportional to 26,932.78, 40,399.46 and 9,402.66 is: 14,104.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,932.78 : 40,399.46 = 9,402.66 : x
  2. Step 2: Convert to fraction form
    26,932.78/40,399.46 = 9,402.66/x
  3. Step 3: Cross multiply
    26,932.78x = 40,399.46 × 9,402.66
  4. Step 4: Simplify right side
    26,932.78x = 379,862,386.56
  5. Step 5: Solve for x
    x = 379,862,386.56/26,932.78
  6. Step 6: Final answer
    x = 14,104.09

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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.