Home / 27,512.13-41,268.18-7,790.85

Finding the Fourth Proportional to 27,512.13, 41,268.18 and 7,790.85

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Solution

The fourth proportional to 27,512.13, 41,268.18 and 7,790.85 is: 11,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,512.13 : 41,268.18 = 7,790.85 : x
  2. Step 2: Convert to fraction form
    27,512.13/41,268.18 = 7,790.85/x
  3. Step 3: Cross multiply
    27,512.13x = 41,268.18 × 7,790.85
  4. Step 4: Simplify right side
    27,512.13x = 321,514,200.15
  5. Step 5: Solve for x
    x = 321,514,200.15/27,512.13
  6. Step 6: Final answer
    x = 11,686.27

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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.