Home / 27,638.55-41,464.11-10,108.38

Finding the Fourth Proportional to 27,638.55, 41,464.11 and 10,108.38

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Solution

The fourth proportional to 27,638.55, 41,464.11 and 10,108.38 is: 15,164.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,638.55 : 41,464.11 = 10,108.38 : x
  2. Step 2: Convert to fraction form
    27,638.55/41,464.11 = 10,108.38/x
  3. Step 3: Cross multiply
    27,638.55x = 41,464.11 × 10,108.38
  4. Step 4: Simplify right side
    27,638.55x = 419,134,980.24
  5. Step 5: Solve for x
    x = 419,134,980.24/27,638.55
  6. Step 6: Final answer
    x = 15,164.87

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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.