Home / 19,936.80-27,512.87-10,983.87

Finding the Fourth Proportional to 19,936.80, 27,512.87 and 10,983.87

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Solution

The fourth proportional to 19,936.80, 27,512.87 and 10,983.87 is: 15,157.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.80 : 27,512.87 = 10,983.87 : x
  2. Step 2: Convert to fraction form
    19,936.80/27,512.87 = 10,983.87/x
  3. Step 3: Cross multiply
    19,936.80x = 27,512.87 × 10,983.87
  4. Step 4: Simplify right side
    19,936.80x = 302,197,732.49
  5. Step 5: Solve for x
    x = 302,197,732.49/19,936.80
  6. Step 6: Final answer
    x = 15,157.79

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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.