Home / 26,929.96-40,393.52-8,209.54

Finding the Fourth Proportional to 26,929.96, 40,393.52 and 8,209.54

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Solution

The fourth proportional to 26,929.96, 40,393.52 and 8,209.54 is: 12,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.96 : 40,393.52 = 8,209.54 : x
  2. Step 2: Convert to fraction form
    26,929.96/40,393.52 = 8,209.54/x
  3. Step 3: Cross multiply
    26,929.96x = 40,393.52 × 8,209.54
  4. Step 4: Simplify right side
    26,929.96x = 331,612,177.13
  5. Step 5: Solve for x
    x = 331,612,177.13/26,929.96
  6. Step 6: Final answer
    x = 12,313.88

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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.