Home / 26,450.41-39,676.56-8,920.39

Finding the Fourth Proportional to 26,450.41, 39,676.56 and 8,920.39

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Solution

The fourth proportional to 26,450.41, 39,676.56 and 8,920.39 is: 13,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,450.41 : 39,676.56 = 8,920.39 : x
  2. Step 2: Convert to fraction form
    26,450.41/39,676.56 = 8,920.39/x
  3. Step 3: Cross multiply
    26,450.41x = 39,676.56 × 8,920.39
  4. Step 4: Simplify right side
    26,450.41x = 353,930,389.06
  5. Step 5: Solve for x
    x = 353,930,389.06/26,450.41
  6. Step 6: Final answer
    x = 13,380.90

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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.