Home / 28,757.83-43,161.66-28,691.34

Finding the Fourth Proportional to 28,757.83, 43,161.66 and 28,691.34

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Solution

The fourth proportional to 28,757.83, 43,161.66 and 28,691.34 is: 43,061.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,757.83 : 43,161.66 = 28,691.34 : x
  2. Step 2: Convert to fraction form
    28,757.83/43,161.66 = 28,691.34/x
  3. Step 3: Cross multiply
    28,757.83x = 43,161.66 × 28,691.34
  4. Step 4: Simplify right side
    28,757.83x = 1,238,365,825.85
  5. Step 5: Solve for x
    x = 1,238,365,825.85/28,757.83
  6. Step 6: Final answer
    x = 43,061.86

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1.5x scale

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.