Home / 26,806.26-40,198.59-8,080.50

Finding the Fourth Proportional to 26,806.26, 40,198.59 and 8,080.50

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Solution

The fourth proportional to 26,806.26, 40,198.59 and 8,080.50 is: 12,117.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,806.26 : 40,198.59 = 8,080.50 : x
  2. Step 2: Convert to fraction form
    26,806.26/40,198.59 = 8,080.50/x
  3. Step 3: Cross multiply
    26,806.26x = 40,198.59 × 8,080.50
  4. Step 4: Simplify right side
    26,806.26x = 324,824,706.50
  5. Step 5: Solve for x
    x = 324,824,706.50/26,806.26
  6. Step 6: Final answer
    x = 12,117.49

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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.