Home / 21,837.19-32,755.52-15,399.26

Finding the Fourth Proportional to 21,837.19, 32,755.52 and 15,399.26

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Solution

The fourth proportional to 21,837.19, 32,755.52 and 15,399.26 is: 23,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,837.19 : 32,755.52 = 15,399.26 : x
  2. Step 2: Convert to fraction form
    21,837.19/32,755.52 = 15,399.26/x
  3. Step 3: Cross multiply
    21,837.19x = 32,755.52 × 15,399.26
  4. Step 4: Simplify right side
    21,837.19x = 504,410,605.14
  5. Step 5: Solve for x
    x = 504,410,605.14/21,837.19
  6. Step 6: Final answer
    x = 23,098.70

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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.