Home / 26,731.82-36,893.82-15,399.10

Finding the Fourth Proportional to 26,731.82, 36,893.82 and 15,399.10

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Solution

The fourth proportional to 26,731.82, 36,893.82 and 15,399.10 is: 21,253.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,731.82 : 36,893.82 = 15,399.10 : x
  2. Step 2: Convert to fraction form
    26,731.82/36,893.82 = 15,399.10/x
  3. Step 3: Cross multiply
    26,731.82x = 36,893.82 × 15,399.10
  4. Step 4: Simplify right side
    26,731.82x = 568,131,623.56
  5. Step 5: Solve for x
    x = 568,131,623.56/26,731.82
  6. Step 6: Final answer
    x = 21,253.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.