Home / 26,450.98-39,657-12,609.70

Finding the Fourth Proportional to 26,450.98, 39,657 and 12,609.70

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Solution

The fourth proportional to 26,450.98, 39,657 and 12,609.70 is: 18,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,450.98 : 39,657 = 12,609.70 : x
  2. Step 2: Convert to fraction form
    26,450.98/39,657 = 12,609.70/x
  3. Step 3: Cross multiply
    26,450.98x = 39,657 × 12,609.70
  4. Step 4: Simplify right side
    26,450.98x = 500,062,872.90
  5. Step 5: Solve for x
    x = 500,062,872.90/26,450.98
  6. Step 6: Final answer
    x = 18,905.27

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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.