Home / 27,452.12-37,879.45-16,120.72

Finding the Fourth Proportional to 27,452.12, 37,879.45 and 16,120.72

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Solution

The fourth proportional to 27,452.12, 37,879.45 and 16,120.72 is: 22,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,452.12 : 37,879.45 = 16,120.72 : x
  2. Step 2: Convert to fraction form
    27,452.12/37,879.45 = 16,120.72/x
  3. Step 3: Cross multiply
    27,452.12x = 37,879.45 × 16,120.72
  4. Step 4: Simplify right side
    27,452.12x = 610,644,014.25
  5. Step 5: Solve for x
    x = 610,644,014.25/27,452.12
  6. Step 6: Final answer
    x = 22,243.97

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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.