Home / 26,478.70-39,718.02-6,757.26

Finding the Fourth Proportional to 26,478.70, 39,718.02 and 6,757.26

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Solution

The fourth proportional to 26,478.70, 39,718.02 and 6,757.26 is: 10,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.70 : 39,718.02 = 6,757.26 : x
  2. Step 2: Convert to fraction form
    26,478.70/39,718.02 = 6,757.26/x
  3. Step 3: Cross multiply
    26,478.70x = 39,718.02 × 6,757.26
  4. Step 4: Simplify right side
    26,478.70x = 268,384,947.42
  5. Step 5: Solve for x
    x = 268,384,947.42/26,478.70
  6. Step 6: Final answer
    x = 10,135.88

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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.