Home / 19,982.55-27,575.93-11,030.06

Finding the Fourth Proportional to 19,982.55, 27,575.93 and 11,030.06

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Solution

The fourth proportional to 19,982.55, 27,575.93 and 11,030.06 is: 15,221.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.55 : 27,575.93 = 11,030.06 : x
  2. Step 2: Convert to fraction form
    19,982.55/27,575.93 = 11,030.06/x
  3. Step 3: Cross multiply
    19,982.55x = 27,575.93 × 11,030.06
  4. Step 4: Simplify right side
    19,982.55x = 304,164,114.20
  5. Step 5: Solve for x
    x = 304,164,114.20/19,982.55
  6. Step 6: Final answer
    x = 15,221.48

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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.