Home / 26,826.33-40,239.88-8,106.53

Finding the Fourth Proportional to 26,826.33, 40,239.88 and 8,106.53

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Solution

The fourth proportional to 26,826.33, 40,239.88 and 8,106.53 is: 12,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,826.33 : 40,239.88 = 8,106.53 : x
  2. Step 2: Convert to fraction form
    26,826.33/40,239.88 = 8,106.53/x
  3. Step 3: Cross multiply
    26,826.33x = 40,239.88 × 8,106.53
  4. Step 4: Simplify right side
    26,826.33x = 326,205,593.22
  5. Step 5: Solve for x
    x = 326,205,593.22/26,826.33
  6. Step 6: Final answer
    x = 12,159.90

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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.