Home / 19,988.66-27,584.70-11,035.63

Finding the Fourth Proportional to 19,988.66, 27,584.70 and 11,035.63

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Solution

The fourth proportional to 19,988.66, 27,584.70 and 11,035.63 is: 15,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.66 : 27,584.70 = 11,035.63 : x
  2. Step 2: Convert to fraction form
    19,988.66/27,584.70 = 11,035.63/x
  3. Step 3: Cross multiply
    19,988.66x = 27,584.70 × 11,035.63
  4. Step 4: Simplify right side
    19,988.66x = 304,414,442.87
  5. Step 5: Solve for x
    x = 304,414,442.87/19,988.66
  6. Step 6: Final answer
    x = 15,229.36

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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.