Home / 27,721.38-41,580.72-10,190.10

Finding the Fourth Proportional to 27,721.38, 41,580.72 and 10,190.10

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Solution

The fourth proportional to 27,721.38, 41,580.72 and 10,190.10 is: 15,284.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,721.38 : 41,580.72 = 10,190.10 : x
  2. Step 2: Convert to fraction form
    27,721.38/41,580.72 = 10,190.10/x
  3. Step 3: Cross multiply
    27,721.38x = 41,580.72 × 10,190.10
  4. Step 4: Simplify right side
    27,721.38x = 423,711,694.87
  5. Step 5: Solve for x
    x = 423,711,694.87/27,721.38
  6. Step 6: Final answer
    x = 15,284.65

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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.