Home / 26,811.09-40,221.87-8,092.65

Finding the Fourth Proportional to 26,811.09, 40,221.87 and 8,092.65

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Solution

The fourth proportional to 26,811.09, 40,221.87 and 8,092.65 is: 12,140.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,811.09 : 40,221.87 = 8,092.65 : x
  2. Step 2: Convert to fraction form
    26,811.09/40,221.87 = 8,092.65/x
  3. Step 3: Cross multiply
    26,811.09x = 40,221.87 × 8,092.65
  4. Step 4: Simplify right side
    26,811.09x = 325,501,315.15
  5. Step 5: Solve for x
    x = 325,501,315.15/26,811.09
  6. Step 6: Final answer
    x = 12,140.55

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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.