Home / 27,719.07-41,573.61-7,992.78

Finding the Fourth Proportional to 27,719.07, 41,573.61 and 7,992.78

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Solution

The fourth proportional to 27,719.07, 41,573.61 and 7,992.78 is: 11,987.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,719.07 : 41,573.61 = 7,992.78 : x
  2. Step 2: Convert to fraction form
    27,719.07/41,573.61 = 7,992.78/x
  3. Step 3: Cross multiply
    27,719.07x = 41,573.61 × 7,992.78
  4. Step 4: Simplify right side
    27,719.07x = 332,288,718.54
  5. Step 5: Solve for x
    x = 332,288,718.54/27,719.07
  6. Step 6: Final answer
    x = 11,987.73

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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.