Home / 20,277.11-27,982.10-11,324.73

Finding the Fourth Proportional to 20,277.11, 27,982.10 and 11,324.73

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Solution

The fourth proportional to 20,277.11, 27,982.10 and 11,324.73 is: 15,627.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,277.11 : 27,982.10 = 11,324.73 : x
  2. Step 2: Convert to fraction form
    20,277.11/27,982.10 = 11,324.73/x
  3. Step 3: Cross multiply
    20,277.11x = 27,982.10 × 11,324.73
  4. Step 4: Simplify right side
    20,277.11x = 316,889,670.71
  5. Step 5: Solve for x
    x = 316,889,670.71/20,277.11
  6. Step 6: Final answer
    x = 15,627.95

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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.