Home / 26,930.73-40,402.09-8,212.22

Finding the Fourth Proportional to 26,930.73, 40,402.09 and 8,212.22

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Solution

The fourth proportional to 26,930.73, 40,402.09 and 8,212.22 is: 12,320.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,930.73 : 40,402.09 = 8,212.22 : x
  2. Step 2: Convert to fraction form
    26,930.73/40,402.09 = 8,212.22/x
  3. Step 3: Cross multiply
    26,930.73x = 40,402.09 × 8,212.22
  4. Step 4: Simplify right side
    26,930.73x = 331,790,851.54
  5. Step 5: Solve for x
    x = 331,790,851.54/26,930.73
  6. Step 6: Final answer
    x = 12,320.16

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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.