Home / 27,789.08-41,687.64-8,067.72

Finding the Fourth Proportional to 27,789.08, 41,687.64 and 8,067.72

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Solution

The fourth proportional to 27,789.08, 41,687.64 and 8,067.72 is: 12,102.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,789.08 : 41,687.64 = 8,067.72 : x
  2. Step 2: Convert to fraction form
    27,789.08/41,687.64 = 8,067.72/x
  3. Step 3: Cross multiply
    27,789.08x = 41,687.64 × 8,067.72
  4. Step 4: Simplify right side
    27,789.08x = 336,324,206.98
  5. Step 5: Solve for x
    x = 336,324,206.98/27,789.08
  6. Step 6: Final answer
    x = 12,102.75

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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.