Home / 26,972.62-40,388.04-21,679.54

Finding the Fourth Proportional to 26,972.62, 40,388.04 and 21,679.54

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Solution

The fourth proportional to 26,972.62, 40,388.04 and 21,679.54 is: 32,462.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,972.62 : 40,388.04 = 21,679.54 : x
  2. Step 2: Convert to fraction form
    26,972.62/40,388.04 = 21,679.54/x
  3. Step 3: Cross multiply
    26,972.62x = 40,388.04 × 21,679.54
  4. Step 4: Simplify right side
    26,972.62x = 875,594,128.70
  5. Step 5: Solve for x
    x = 875,594,128.70/26,972.62
  6. Step 6: Final answer
    x = 32,462.33

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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.