Home / 26,676.28-39,982.46-12,425.55

Finding the Fourth Proportional to 26,676.28, 39,982.46 and 12,425.55

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Solution

The fourth proportional to 26,676.28, 39,982.46 and 12,425.55 is: 18,623.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,676.28 : 39,982.46 = 12,425.55 : x
  2. Step 2: Convert to fraction form
    26,676.28/39,982.46 = 12,425.55/x
  3. Step 3: Cross multiply
    26,676.28x = 39,982.46 × 12,425.55
  4. Step 4: Simplify right side
    26,676.28x = 496,803,824.88
  5. Step 5: Solve for x
    x = 496,803,824.88/26,676.28
  6. Step 6: Final answer
    x = 18,623.43

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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.