Home / 27,720.38-41,579.22-10,189.10

Finding the Fourth Proportional to 27,720.38, 41,579.22 and 10,189.10

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Solution

The fourth proportional to 27,720.38, 41,579.22 and 10,189.10 is: 15,283.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720.38 : 41,579.22 = 10,189.10 : x
  2. Step 2: Convert to fraction form
    27,720.38/41,579.22 = 10,189.10/x
  3. Step 3: Cross multiply
    27,720.38x = 41,579.22 × 10,189.10
  4. Step 4: Simplify right side
    27,720.38x = 423,654,830.50
  5. Step 5: Solve for x
    x = 423,654,830.50/27,720.38
  6. Step 6: Final answer
    x = 15,283.15

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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.