Home / 28,757.58-43,143.53-22,856.73

Finding the Fourth Proportional to 28,757.58, 43,143.53 and 22,856.73

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Solution

The fourth proportional to 28,757.58, 43,143.53 and 22,856.73 is: 34,290.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,757.58 : 43,143.53 = 22,856.73 : x
  2. Step 2: Convert to fraction form
    28,757.58/43,143.53 = 22,856.73/x
  3. Step 3: Cross multiply
    28,757.58x = 43,143.53 × 22,856.73
  4. Step 4: Simplify right side
    28,757.58x = 986,120,016.46
  5. Step 5: Solve for x
    x = 986,120,016.46/28,757.58
  6. Step 6: Final answer
    x = 34,290.79

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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.