Home / 19,982.58-27,575.81-11,030.09

Finding the Fourth Proportional to 19,982.58, 27,575.81 and 11,030.09

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Solution

The fourth proportional to 19,982.58, 27,575.81 and 11,030.09 is: 15,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.58 : 27,575.81 = 11,030.09 : x
  2. Step 2: Convert to fraction form
    19,982.58/27,575.81 = 11,030.09/x
  3. Step 3: Cross multiply
    19,982.58x = 27,575.81 × 11,030.09
  4. Step 4: Simplify right side
    19,982.58x = 304,163,473.09
  5. Step 5: Solve for x
    x = 304,163,473.09/19,982.58
  6. Step 6: Final answer
    x = 15,221.43

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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.