Home / 26,781.15-40,168.65-6,790.53

Finding the Fourth Proportional to 26,781.15, 40,168.65 and 6,790.53

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Solution

The fourth proportional to 26,781.15, 40,168.65 and 6,790.53 is: 10,185.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,781.15 : 40,168.65 = 6,790.53 : x
  2. Step 2: Convert to fraction form
    26,781.15/40,168.65 = 6,790.53/x
  3. Step 3: Cross multiply
    26,781.15x = 40,168.65 × 6,790.53
  4. Step 4: Simplify right side
    26,781.15x = 272,766,422.88
  5. Step 5: Solve for x
    x = 272,766,422.88/26,781.15
  6. Step 6: Final answer
    x = 10,185.02

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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.