Home / 26,812.69-40,205.97-8,089.20

Finding the Fourth Proportional to 26,812.69, 40,205.97 and 8,089.20

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Solution

The fourth proportional to 26,812.69, 40,205.97 and 8,089.20 is: 12,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,812.69 : 40,205.97 = 8,089.20 : x
  2. Step 2: Convert to fraction form
    26,812.69/40,205.97 = 8,089.20/x
  3. Step 3: Cross multiply
    26,812.69x = 40,205.97 × 8,089.20
  4. Step 4: Simplify right side
    26,812.69x = 325,234,132.52
  5. Step 5: Solve for x
    x = 325,234,132.52/26,812.69
  6. Step 6: Final answer
    x = 12,129.86

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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.