Home / 28,952.30-43,423.91-11,180.34

Finding the Fourth Proportional to 28,952.30, 43,423.91 and 11,180.34

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Solution

The fourth proportional to 28,952.30, 43,423.91 and 11,180.34 is: 16,768.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,952.30 : 43,423.91 = 11,180.34 : x
  2. Step 2: Convert to fraction form
    28,952.30/43,423.91 = 11,180.34/x
  3. Step 3: Cross multiply
    28,952.30x = 43,423.91 × 11,180.34
  4. Step 4: Simplify right side
    28,952.30x = 485,494,063.95
  5. Step 5: Solve for x
    x = 485,494,063.95/28,952.30
  6. Step 6: Final answer
    x = 16,768.75

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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.