Home / 26,425.82-39,638.80-8,907.96

Finding the Fourth Proportional to 26,425.82, 39,638.80 and 8,907.96

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Solution

The fourth proportional to 26,425.82, 39,638.80 and 8,907.96 is: 13,361.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,425.82 : 39,638.80 = 8,907.96 : x
  2. Step 2: Convert to fraction form
    26,425.82/39,638.80 = 8,907.96/x
  3. Step 3: Cross multiply
    26,425.82x = 39,638.80 × 8,907.96
  4. Step 4: Simplify right side
    26,425.82x = 353,100,844.85
  5. Step 5: Solve for x
    x = 353,100,844.85/26,425.82
  6. Step 6: Final answer
    x = 13,361.96

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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.