Home / 26,521.30-39,781.02-6,800.02

Finding the Fourth Proportional to 26,521.30, 39,781.02 and 6,800.02

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Solution

The fourth proportional to 26,521.30, 39,781.02 and 6,800.02 is: 10,199.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,521.30 : 39,781.02 = 6,800.02 : x
  2. Step 2: Convert to fraction form
    26,521.30/39,781.02 = 6,800.02/x
  3. Step 3: Cross multiply
    26,521.30x = 39,781.02 × 6,800.02
  4. Step 4: Simplify right side
    26,521.30x = 270,511,731.62
  5. Step 5: Solve for x
    x = 270,511,731.62/26,521.30
  6. Step 6: Final answer
    x = 10,199.79

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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.