Home / 27,940.16-41,910.23-8,218.71

Finding the Fourth Proportional to 27,940.16, 41,910.23 and 8,218.71

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Solution

The fourth proportional to 27,940.16, 41,910.23 and 8,218.71 is: 12,328.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940.16 : 41,910.23 = 8,218.71 : x
  2. Step 2: Convert to fraction form
    27,940.16/41,910.23 = 8,218.71/x
  3. Step 3: Cross multiply
    27,940.16x = 41,910.23 × 8,218.71
  4. Step 4: Simplify right side
    27,940.16x = 344,448,046.95
  5. Step 5: Solve for x
    x = 344,448,046.95/27,940.16
  6. Step 6: Final answer
    x = 12,328.07

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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.