Home / 27,988.28-41,982.36-19,196.54

Finding the Fourth Proportional to 27,988.28, 41,982.36 and 19,196.54

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Solution

The fourth proportional to 27,988.28, 41,982.36 and 19,196.54 is: 28,794.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,988.28 : 41,982.36 = 19,196.54 : x
  2. Step 2: Convert to fraction form
    27,988.28/41,982.36 = 19,196.54/x
  3. Step 3: Cross multiply
    27,988.28x = 41,982.36 × 19,196.54
  4. Step 4: Simplify right side
    27,988.28x = 805,916,053.03
  5. Step 5: Solve for x
    x = 805,916,053.03/27,988.28
  6. Step 6: Final answer
    x = 28,794.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.