Home / 28,694.70-43,044.72-11,165.85

Finding the Fourth Proportional to 28,694.70, 43,044.72 and 11,165.85

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Solution

The fourth proportional to 28,694.70, 43,044.72 and 11,165.85 is: 16,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,694.70 : 43,044.72 = 11,165.85 : x
  2. Step 2: Convert to fraction form
    28,694.70/43,044.72 = 11,165.85/x
  3. Step 3: Cross multiply
    28,694.70x = 43,044.72 × 11,165.85
  4. Step 4: Simplify right side
    28,694.70x = 480,630,886.81
  5. Step 5: Solve for x
    x = 480,630,886.81/28,694.70
  6. Step 6: Final answer
    x = 16,749.81

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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.