Home / 27,865.26-41,812.23-18,511.72

Finding the Fourth Proportional to 27,865.26, 41,812.23 and 18,511.72

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Solution

The fourth proportional to 27,865.26, 41,812.23 and 18,511.72 is: 27,777.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,865.26 : 41,812.23 = 18,511.72 : x
  2. Step 2: Convert to fraction form
    27,865.26/41,812.23 = 18,511.72/x
  3. Step 3: Cross multiply
    27,865.26x = 41,812.23 × 18,511.72
  4. Step 4: Simplify right side
    27,865.26x = 774,016,294.34
  5. Step 5: Solve for x
    x = 774,016,294.34/27,865.26
  6. Step 6: Final answer
    x = 27,777.11

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1.5x scale

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.