Home / 28,910.70-43,366.05-27,161.10

Finding the Fourth Proportional to 28,910.70, 43,366.05 and 27,161.10

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Solution

The fourth proportional to 28,910.70, 43,366.05 and 27,161.10 is: 40,741.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.70 : 43,366.05 = 27,161.10 : x
  2. Step 2: Convert to fraction form
    28,910.70/43,366.05 = 27,161.10/x
  3. Step 3: Cross multiply
    28,910.70x = 43,366.05 × 27,161.10
  4. Step 4: Simplify right side
    28,910.70x = 1,177,869,620.66
  5. Step 5: Solve for x
    x = 1,177,869,620.66/28,910.70
  6. Step 6: Final answer
    x = 40,741.65

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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.