Home / 26,676.82-39,983.32-12,426.09

Finding the Fourth Proportional to 26,676.82, 39,983.32 and 12,426.09

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Solution

The fourth proportional to 26,676.82, 39,983.32 and 12,426.09 is: 18,624.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,676.82 : 39,983.32 = 12,426.09 : x
  2. Step 2: Convert to fraction form
    26,676.82/39,983.32 = 12,426.09/x
  3. Step 3: Cross multiply
    26,676.82x = 39,983.32 × 12,426.09
  4. Step 4: Simplify right side
    26,676.82x = 496,836,332.82
  5. Step 5: Solve for x
    x = 496,836,332.82/26,676.82
  6. Step 6: Final answer
    x = 18,624.27

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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.