Home / 27,802.20-41,709.78-8,081.13

Finding the Fourth Proportional to 27,802.20, 41,709.78 and 8,081.13

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Solution

The fourth proportional to 27,802.20, 41,709.78 and 8,081.13 is: 12,123.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,802.20 : 41,709.78 = 8,081.13 : x
  2. Step 2: Convert to fraction form
    27,802.20/41,709.78 = 8,081.13/x
  3. Step 3: Cross multiply
    27,802.20x = 41,709.78 × 8,081.13
  4. Step 4: Simplify right side
    27,802.20x = 337,062,154.45
  5. Step 5: Solve for x
    x = 337,062,154.45/27,802.20
  6. Step 6: Final answer
    x = 12,123.58

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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.