Home / 26,490.80-39,736.10-6,769.33

Finding the Fourth Proportional to 26,490.80, 39,736.10 and 6,769.33

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Solution

The fourth proportional to 26,490.80, 39,736.10 and 6,769.33 is: 10,153.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,490.80 : 39,736.10 = 6,769.33 : x
  2. Step 2: Convert to fraction form
    26,490.80/39,736.10 = 6,769.33/x
  3. Step 3: Cross multiply
    26,490.80x = 39,736.10 × 6,769.33
  4. Step 4: Simplify right side
    26,490.80x = 268,986,691.40
  5. Step 5: Solve for x
    x = 268,986,691.40/26,490.80
  6. Step 6: Final answer
    x = 10,153.97

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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.