Home / 19,282.85-28,844.28-18,101.87

Finding the Fourth Proportional to 19,282.85, 28,844.28 and 18,101.87

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Solution

The fourth proportional to 19,282.85, 28,844.28 and 18,101.87 is: 27,077.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.85 : 28,844.28 = 18,101.87 : x
  2. Step 2: Convert to fraction form
    19,282.85/28,844.28 = 18,101.87/x
  3. Step 3: Cross multiply
    19,282.85x = 28,844.28 × 18,101.87
  4. Step 4: Simplify right side
    19,282.85x = 522,135,406.80
  5. Step 5: Solve for x
    x = 522,135,406.80/19,282.85
  6. Step 6: Final answer
    x = 27,077.71

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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.