Home / 19,982.91-27,576.27-11,030.41

Finding the Fourth Proportional to 19,982.91, 27,576.27 and 11,030.41

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Solution

The fourth proportional to 19,982.91, 27,576.27 and 11,030.41 is: 15,221.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.91 : 27,576.27 = 11,030.41 : x
  2. Step 2: Convert to fraction form
    19,982.91/27,576.27 = 11,030.41/x
  3. Step 3: Cross multiply
    19,982.91x = 27,576.27 × 11,030.41
  4. Step 4: Simplify right side
    19,982.91x = 304,177,564.37
  5. Step 5: Solve for x
    x = 304,177,564.37/19,982.91
  6. Step 6: Final answer
    x = 15,221.89

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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.