Home / 28,760.16-43,150.56-11,242.56

Finding the Fourth Proportional to 28,760.16, 43,150.56 and 11,242.56

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Solution

The fourth proportional to 28,760.16, 43,150.56 and 11,242.56 is: 16,867.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,760.16 : 43,150.56 = 11,242.56 : x
  2. Step 2: Convert to fraction form
    28,760.16/43,150.56 = 11,242.56/x
  3. Step 3: Cross multiply
    28,760.16x = 43,150.56 × 11,242.56
  4. Step 4: Simplify right side
    28,760.16x = 485,122,759.83
  5. Step 5: Solve for x
    x = 485,122,759.83/28,760.16
  6. Step 6: Final answer
    x = 16,867.87

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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.