Home / 28,790.44-43,181.40-9,073.82

Finding the Fourth Proportional to 28,790.44, 43,181.40 and 9,073.82

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Solution

The fourth proportional to 28,790.44, 43,181.40 and 9,073.82 is: 13,609.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,790.44 : 43,181.40 = 9,073.82 : x
  2. Step 2: Convert to fraction form
    28,790.44/43,181.40 = 9,073.82/x
  3. Step 3: Cross multiply
    28,790.44x = 43,181.40 × 9,073.82
  4. Step 4: Simplify right side
    28,790.44x = 391,820,392.93
  5. Step 5: Solve for x
    x = 391,820,392.93/28,790.44
  6. Step 6: Final answer
    x = 13,609.39

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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.