Home / 26,127.36-39,193.88-8,359.61

Finding the Fourth Proportional to 26,127.36, 39,193.88 and 8,359.61

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Solution

The fourth proportional to 26,127.36, 39,193.88 and 8,359.61 is: 12,540.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,127.36 : 39,193.88 = 8,359.61 : x
  2. Step 2: Convert to fraction form
    26,127.36/39,193.88 = 8,359.61/x
  3. Step 3: Cross multiply
    26,127.36x = 39,193.88 × 8,359.61
  4. Step 4: Simplify right side
    26,127.36x = 327,645,313.42
  5. Step 5: Solve for x
    x = 327,645,313.42/26,127.36
  6. Step 6: Final answer
    x = 12,540.31

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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.