Home / 21,755.03-32,619.96-11,610.89

Finding the Fourth Proportional to 21,755.03, 32,619.96 and 11,610.89

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Solution

The fourth proportional to 21,755.03, 32,619.96 and 11,610.89 is: 17,409.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,755.03 : 32,619.96 = 11,610.89 : x
  2. Step 2: Convert to fraction form
    21,755.03/32,619.96 = 11,610.89/x
  3. Step 3: Cross multiply
    21,755.03x = 32,619.96 × 11,610.89
  4. Step 4: Simplify right side
    21,755.03x = 378,746,767.36
  5. Step 5: Solve for x
    x = 378,746,767.36/21,755.03
  6. Step 6: Final answer
    x = 17,409.62

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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.