Home / 21,388.75-32,096.49-10,296.61

Finding the Fourth Proportional to 21,388.75, 32,096.49 and 10,296.61

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Solution

The fourth proportional to 21,388.75, 32,096.49 and 10,296.61 is: 15,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388.75 : 32,096.49 = 10,296.61 : x
  2. Step 2: Convert to fraction form
    21,388.75/32,096.49 = 10,296.61/x
  3. Step 3: Cross multiply
    21,388.75x = 32,096.49 × 10,296.61
  4. Step 4: Simplify right side
    21,388.75x = 330,485,039.90
  5. Step 5: Solve for x
    x = 330,485,039.90/21,388.75
  6. Step 6: Final answer
    x = 15,451.35

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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.