Home / 27,694.78-41,542.18-21,940.54

Finding the Fourth Proportional to 27,694.78, 41,542.18 and 21,940.54

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Solution

The fourth proportional to 27,694.78, 41,542.18 and 21,940.54 is: 32,910.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,694.78 : 41,542.18 = 21,940.54 : x
  2. Step 2: Convert to fraction form
    27,694.78/41,542.18 = 21,940.54/x
  3. Step 3: Cross multiply
    27,694.78x = 41,542.18 × 21,940.54
  4. Step 4: Simplify right side
    27,694.78x = 911,457,856.13
  5. Step 5: Solve for x
    x = 911,457,856.13/27,694.78
  6. Step 6: Final answer
    x = 32,910.81

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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.