Home / 27,515.68-41,268.27-7,789.48

Finding the Fourth Proportional to 27,515.68, 41,268.27 and 7,789.48

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Solution

The fourth proportional to 27,515.68, 41,268.27 and 7,789.48 is: 11,682.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.68 : 41,268.27 = 7,789.48 : x
  2. Step 2: Convert to fraction form
    27,515.68/41,268.27 = 7,789.48/x
  3. Step 3: Cross multiply
    27,515.68x = 41,268.27 × 7,789.48
  4. Step 4: Simplify right side
    27,515.68x = 321,458,363.80
  5. Step 5: Solve for x
    x = 321,458,363.80/27,515.68
  6. Step 6: Final answer
    x = 11,682.73

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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.