Home / 28,750.17-43,132.17-12,114.96

Finding the Fourth Proportional to 28,750.17, 43,132.17 and 12,114.96

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Solution

The fourth proportional to 28,750.17, 43,132.17 and 12,114.96 is: 18,175.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750.17 : 43,132.17 = 12,114.96 : x
  2. Step 2: Convert to fraction form
    28,750.17/43,132.17 = 12,114.96/x
  3. Step 3: Cross multiply
    28,750.17x = 43,132.17 × 12,114.96
  4. Step 4: Simplify right side
    28,750.17x = 522,544,514.26
  5. Step 5: Solve for x
    x = 522,544,514.26/28,750.17
  6. Step 6: Final answer
    x = 18,175.35

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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.