Home / 28,676.75-43,006.91-12,040.52

Finding the Fourth Proportional to 28,676.75, 43,006.91 and 12,040.52

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Solution

The fourth proportional to 28,676.75, 43,006.91 and 12,040.52 is: 18,057.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676.75 : 43,006.91 = 12,040.52 : x
  2. Step 2: Convert to fraction form
    28,676.75/43,006.91 = 12,040.52/x
  3. Step 3: Cross multiply
    28,676.75x = 43,006.91 × 12,040.52
  4. Step 4: Simplify right side
    28,676.75x = 517,825,559.99
  5. Step 5: Solve for x
    x = 517,825,559.99/28,676.75
  6. Step 6: Final answer
    x = 18,057.33

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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.