Home / 21,477.56-32,229.09-11,616.62

Finding the Fourth Proportional to 21,477.56, 32,229.09 and 11,616.62

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Solution

The fourth proportional to 21,477.56, 32,229.09 and 11,616.62 is: 17,431.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477.56 : 32,229.09 = 11,616.62 : x
  2. Step 2: Convert to fraction form
    21,477.56/32,229.09 = 11,616.62/x
  3. Step 3: Cross multiply
    21,477.56x = 32,229.09 × 11,616.62
  4. Step 4: Simplify right side
    21,477.56x = 374,392,930.33
  5. Step 5: Solve for x
    x = 374,392,930.33/21,477.56
  6. Step 6: Final answer
    x = 17,431.82

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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.