Home / 27,986.09-41,987.30-10,451.88

Finding the Fourth Proportional to 27,986.09, 41,987.30 and 10,451.88

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Solution

The fourth proportional to 27,986.09, 41,987.30 and 10,451.88 is: 15,680.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,986.09 : 41,987.30 = 10,451.88 : x
  2. Step 2: Convert to fraction form
    27,986.09/41,987.30 = 10,451.88/x
  3. Step 3: Cross multiply
    27,986.09x = 41,987.30 × 10,451.88
  4. Step 4: Simplify right side
    27,986.09x = 438,846,168.86
  5. Step 5: Solve for x
    x = 438,846,168.86/27,986.09
  6. Step 6: Final answer
    x = 15,680.87

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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.