Home / 28,783.62-43,175.37-9,063.90

Finding the Fourth Proportional to 28,783.62, 43,175.37 and 9,063.90

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Solution

The fourth proportional to 28,783.62, 43,175.37 and 9,063.90 is: 13,595.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,783.62 : 43,175.37 = 9,063.90 : x
  2. Step 2: Convert to fraction form
    28,783.62/43,175.37 = 9,063.90/x
  3. Step 3: Cross multiply
    28,783.62x = 43,175.37 × 9,063.90
  4. Step 4: Simplify right side
    28,783.62x = 391,337,236.14
  5. Step 5: Solve for x
    x = 391,337,236.14/28,783.62
  6. Step 6: Final answer
    x = 13,595.83

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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.