Home / 26,652.15-39,979.25-6,930.20

Finding the Fourth Proportional to 26,652.15, 39,979.25 and 6,930.20

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Solution

The fourth proportional to 26,652.15, 39,979.25 and 6,930.20 is: 10,395.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,652.15 : 39,979.25 = 6,930.20 : x
  2. Step 2: Convert to fraction form
    26,652.15/39,979.25 = 6,930.20/x
  3. Step 3: Cross multiply
    26,652.15x = 39,979.25 × 6,930.20
  4. Step 4: Simplify right side
    26,652.15x = 277,063,963.80
  5. Step 5: Solve for x
    x = 277,063,963.80/26,652.15
  6. Step 6: Final answer
    x = 10,395.56

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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.