Home / 26,410.26-39,621.89-7,690.48

Finding the Fourth Proportional to 26,410.26, 39,621.89 and 7,690.48

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Solution

The fourth proportional to 26,410.26, 39,621.89 and 7,690.48 is: 11,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,410.26 : 39,621.89 = 7,690.48 : x
  2. Step 2: Convert to fraction form
    26,410.26/39,621.89 = 7,690.48/x
  3. Step 3: Cross multiply
    26,410.26x = 39,621.89 × 7,690.48
  4. Step 4: Simplify right side
    26,410.26x = 304,711,272.78
  5. Step 5: Solve for x
    x = 304,711,272.78/26,410.26
  6. Step 6: Final answer
    x = 11,537.61

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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.