Home / 26,109.54-39,170.07-8,578.62

Finding the Fourth Proportional to 26,109.54, 39,170.07 and 8,578.62

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Solution

The fourth proportional to 26,109.54, 39,170.07 and 8,578.62 is: 12,869.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,109.54 : 39,170.07 = 8,578.62 : x
  2. Step 2: Convert to fraction form
    26,109.54/39,170.07 = 8,578.62/x
  3. Step 3: Cross multiply
    26,109.54x = 39,170.07 × 8,578.62
  4. Step 4: Simplify right side
    26,109.54x = 336,025,145.90
  5. Step 5: Solve for x
    x = 336,025,145.90/26,109.54
  6. Step 6: Final answer
    x = 12,869.82

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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.