Home / 28,771.35-43,153.52-7,712.97

Finding the Fourth Proportional to 28,771.35, 43,153.52 and 7,712.97

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Solution

The fourth proportional to 28,771.35, 43,153.52 and 7,712.97 is: 11,568.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,771.35 : 43,153.52 = 7,712.97 : x
  2. Step 2: Convert to fraction form
    28,771.35/43,153.52 = 7,712.97/x
  3. Step 3: Cross multiply
    28,771.35x = 43,153.52 × 7,712.97
  4. Step 4: Simplify right side
    28,771.35x = 332,841,766.59
  5. Step 5: Solve for x
    x = 332,841,766.59/28,771.35
  6. Step 6: Final answer
    x = 11,568.51

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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.