Home / 19,982.04-27,575.16-11,029.48

Finding the Fourth Proportional to 19,982.04, 27,575.16 and 11,029.48

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Solution

The fourth proportional to 19,982.04, 27,575.16 and 11,029.48 is: 15,220.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.04 : 27,575.16 = 11,029.48 : x
  2. Step 2: Convert to fraction form
    19,982.04/27,575.16 = 11,029.48/x
  3. Step 3: Cross multiply
    19,982.04x = 27,575.16 × 11,029.48
  4. Step 4: Simplify right side
    19,982.04x = 304,139,675.72
  5. Step 5: Solve for x
    x = 304,139,675.72/19,982.04
  6. Step 6: Final answer
    x = 15,220.65

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1.5x scale

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.