Home / 27,811.26-41,726.15-18,487.95

Finding the Fourth Proportional to 27,811.26, 41,726.15 and 18,487.95

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Solution

The fourth proportional to 27,811.26, 41,726.15 and 18,487.95 is: 27,738.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,811.26 : 41,726.15 = 18,487.95 : x
  2. Step 2: Convert to fraction form
    27,811.26/41,726.15 = 18,487.95/x
  3. Step 3: Cross multiply
    27,811.26x = 41,726.15 × 18,487.95
  4. Step 4: Simplify right side
    27,811.26x = 771,430,882.45
  5. Step 5: Solve for x
    x = 771,430,882.45/27,811.26
  6. Step 6: Final answer
    x = 27,738.08

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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.