Home / 27,201.72-37,542.15-15,104.91

Finding the Fourth Proportional to 27,201.72, 37,542.15 and 15,104.91

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Solution

The fourth proportional to 27,201.72, 37,542.15 and 15,104.91 is: 20,846.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,201.72 : 37,542.15 = 15,104.91 : x
  2. Step 2: Convert to fraction form
    27,201.72/37,542.15 = 15,104.91/x
  3. Step 3: Cross multiply
    27,201.72x = 37,542.15 × 15,104.91
  4. Step 4: Simplify right side
    27,201.72x = 567,070,796.96
  5. Step 5: Solve for x
    x = 567,070,796.96/27,201.72
  6. Step 6: Final answer
    x = 20,846.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.