Home / 57,815.60-86,722.04-26,650.85

Finding the Fourth Proportional to 57,815.60, 86,722.04 and 26,650.85

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Solution

The fourth proportional to 57,815.60, 86,722.04 and 26,650.85 is: 39,975.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,815.60 : 86,722.04 = 26,650.85 : x
  2. Step 2: Convert to fraction form
    57,815.60/86,722.04 = 26,650.85/x
  3. Step 3: Cross multiply
    57,815.60x = 86,722.04 × 26,650.85
  4. Step 4: Simplify right side
    57,815.60x = 2,311,215,712.75
  5. Step 5: Solve for x
    x = 2,311,215,712.75/57,815.60
  6. Step 6: Final answer
    x = 39,975.65

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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.