Home / 72,815.00-109,222.92-25,429.86

Finding the Fourth Proportional to 72,815.00, 109,222.92 and 25,429.86

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Solution

The fourth proportional to 72,815.00, 109,222.92 and 25,429.86 is: 38,144.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,815.00 : 109,222.92 = 25,429.86 : x
  2. Step 2: Convert to fraction form
    72,815.00/109,222.92 = 25,429.86/x
  3. Step 3: Cross multiply
    72,815.00x = 109,222.92 × 25,429.86
  4. Step 4: Simplify right side
    72,815.00x = 2,777,523,564.39
  5. Step 5: Solve for x
    x = 2,777,523,564.39/72,815.00
  6. Step 6: Final answer
    x = 38,144.94

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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.