Home / 19,987.92-27,583.18-11,035.44

Finding the Fourth Proportional to 19,987.92, 27,583.18 and 11,035.44

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Solution

The fourth proportional to 19,987.92, 27,583.18 and 11,035.44 is: 15,228.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.92 : 27,583.18 = 11,035.44 : x
  2. Step 2: Convert to fraction form
    19,987.92/27,583.18 = 11,035.44/x
  3. Step 3: Cross multiply
    19,987.92x = 27,583.18 × 11,035.44
  4. Step 4: Simplify right side
    19,987.92x = 304,392,500.31
  5. Step 5: Solve for x
    x = 304,392,500.31/19,987.92
  6. Step 6: Final answer
    x = 15,228.82

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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.