Home / 26,115.90-39,180.15-8,584.80

Finding the Fourth Proportional to 26,115.90, 39,180.15 and 8,584.80

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Solution

The fourth proportional to 26,115.90, 39,180.15 and 8,584.80 is: 12,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.90 : 39,180.15 = 8,584.80 : x
  2. Step 2: Convert to fraction form
    26,115.90/39,180.15 = 8,584.80/x
  3. Step 3: Cross multiply
    26,115.90x = 39,180.15 × 8,584.80
  4. Step 4: Simplify right side
    26,115.90x = 336,353,751.72
  5. Step 5: Solve for x
    x = 336,353,751.72/26,115.90
  6. Step 6: Final answer
    x = 12,879.27

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1.5x scale

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.