Home / 26,478.74-39,718.09-6,757.30

Finding the Fourth Proportional to 26,478.74, 39,718.09 and 6,757.30

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Solution

The fourth proportional to 26,478.74, 39,718.09 and 6,757.30 is: 10,135.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.74 : 39,718.09 = 6,757.30 : x
  2. Step 2: Convert to fraction form
    26,478.74/39,718.09 = 6,757.30/x
  3. Step 3: Cross multiply
    26,478.74x = 39,718.09 × 6,757.30
  4. Step 4: Simplify right side
    26,478.74x = 268,387,015.77
  5. Step 5: Solve for x
    x = 268,387,015.77/26,478.74
  6. Step 6: Final answer
    x = 10,135.94

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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.