Home / 27,811.48-41,723.40-8,091.60

Finding the Fourth Proportional to 27,811.48, 41,723.40 and 8,091.60

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Solution

The fourth proportional to 27,811.48, 41,723.40 and 8,091.60 is: 12,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,811.48 : 41,723.40 = 8,091.60 : x
  2. Step 2: Convert to fraction form
    27,811.48/41,723.40 = 8,091.60/x
  3. Step 3: Cross multiply
    27,811.48x = 41,723.40 × 8,091.60
  4. Step 4: Simplify right side
    27,811.48x = 337,609,063.44
  5. Step 5: Solve for x
    x = 337,609,063.44/27,811.48
  6. Step 6: Final answer
    x = 12,139.20

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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.