Home / 26,269.18-39,404.11-8,739.01

Finding the Fourth Proportional to 26,269.18, 39,404.11 and 8,739.01

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Solution

The fourth proportional to 26,269.18, 39,404.11 and 8,739.01 is: 13,108.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,269.18 : 39,404.11 = 8,739.01 : x
  2. Step 2: Convert to fraction form
    26,269.18/39,404.11 = 8,739.01/x
  3. Step 3: Cross multiply
    26,269.18x = 39,404.11 × 8,739.01
  4. Step 4: Simplify right side
    26,269.18x = 344,352,911.33
  5. Step 5: Solve for x
    x = 344,352,911.33/26,269.18
  6. Step 6: Final answer
    x = 13,108.63

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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.