Home / 27,394.20-40,850.78-27,144.72

Finding the Fourth Proportional to 27,394.20, 40,850.78 and 27,144.72

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Solution

The fourth proportional to 27,394.20, 40,850.78 and 27,144.72 is: 40,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,394.20 : 40,850.78 = 27,144.72 : x
  2. Step 2: Convert to fraction form
    27,394.20/40,850.78 = 27,144.72/x
  3. Step 3: Cross multiply
    27,394.20x = 40,850.78 × 27,144.72
  4. Step 4: Simplify right side
    27,394.20x = 1,108,883,001.85
  5. Step 5: Solve for x
    x = 1,108,883,001.85/27,394.20
  6. Step 6: Final answer
    x = 40,478.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.