Home / 26,939.25-40,407.93-8,218.53

Finding the Fourth Proportional to 26,939.25, 40,407.93 and 8,218.53

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Solution

The fourth proportional to 26,939.25, 40,407.93 and 8,218.53 is: 12,327.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,939.25 : 40,407.93 = 8,218.53 : x
  2. Step 2: Convert to fraction form
    26,939.25/40,407.93 = 8,218.53/x
  3. Step 3: Cross multiply
    26,939.25x = 40,407.93 × 8,218.53
  4. Step 4: Simplify right side
    26,939.25x = 332,093,784.94
  5. Step 5: Solve for x
    x = 332,093,784.94/26,939.25
  6. Step 6: Final answer
    x = 12,327.51

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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.