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Finding the Fourth Proportional to 26,077, 39,121.98 and 7,609

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Solution

The fourth proportional to 26,077, 39,121.98 and 7,609 is: 11,415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,077 : 39,121.98 = 7,609 : x
  2. Step 2: Convert to fraction form
    26,077/39,121.98 = 7,609/x
  3. Step 3: Cross multiply
    26,077x = 39,121.98 × 7,609
  4. Step 4: Simplify right side
    26,077x = 297,679,145.82
  5. Step 5: Solve for x
    x = 297,679,145.82/26,077
  6. Step 6: Final answer
    x = 11,415.39

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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.