Home / 26,928.08-40,398.12-8,209.58

Finding the Fourth Proportional to 26,928.08, 40,398.12 and 8,209.58

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Solution

The fourth proportional to 26,928.08, 40,398.12 and 8,209.58 is: 12,316.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,928.08 : 40,398.12 = 8,209.58 : x
  2. Step 2: Convert to fraction form
    26,928.08/40,398.12 = 8,209.58/x
  3. Step 3: Cross multiply
    26,928.08x = 40,398.12 × 8,209.58
  4. Step 4: Simplify right side
    26,928.08x = 331,651,375.48
  5. Step 5: Solve for x
    x = 331,651,375.48/26,928.08
  6. Step 6: Final answer
    x = 12,316.19

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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.