Home / 26,196.60-39,205.30-15,815.80

Finding the Fourth Proportional to 26,196.60, 39,205.30 and 15,815.80

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Solution

The fourth proportional to 26,196.60, 39,205.30 and 15,815.80 is: 23,669.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,196.60 : 39,205.30 = 15,815.80 : x
  2. Step 2: Convert to fraction form
    26,196.60/39,205.30 = 15,815.80/x
  3. Step 3: Cross multiply
    26,196.60x = 39,205.30 × 15,815.80
  4. Step 4: Simplify right side
    26,196.60x = 620,063,183.74
  5. Step 5: Solve for x
    x = 620,063,183.74/26,196.60
  6. Step 6: Final answer
    x = 23,669.61

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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.