Home / 63,876.89-95,815.34-28,826.57

Finding the Fourth Proportional to 63,876.89, 95,815.34 and 28,826.57

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Solution

The fourth proportional to 63,876.89, 95,815.34 and 28,826.57 is: 43,239.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,876.89 : 95,815.34 = 28,826.57 : x
  2. Step 2: Convert to fraction form
    63,876.89/95,815.34 = 28,826.57/x
  3. Step 3: Cross multiply
    63,876.89x = 95,815.34 × 28,826.57
  4. Step 4: Simplify right side
    63,876.89x = 2,762,026,982.37
  5. Step 5: Solve for x
    x = 2,762,026,982.37/63,876.89
  6. Step 6: Final answer
    x = 43,239.85

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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.