Home / 26,659.55-39,990-6,939.02

Finding the Fourth Proportional to 26,659.55, 39,990 and 6,939.02

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Solution

The fourth proportional to 26,659.55, 39,990 and 6,939.02 is: 10,408.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,659.55 : 39,990 = 6,939.02 : x
  2. Step 2: Convert to fraction form
    26,659.55/39,990 = 6,939.02/x
  3. Step 3: Cross multiply
    26,659.55x = 39,990 × 6,939.02
  4. Step 4: Simplify right side
    26,659.55x = 277,491,409.80
  5. Step 5: Solve for x
    x = 277,491,409.80/26,659.55
  6. Step 6: Final answer
    x = 10,408.71

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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.