Home / 27,726.35-41,588.90-18,819.45

Finding the Fourth Proportional to 27,726.35, 41,588.90 and 18,819.45

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Solution

The fourth proportional to 27,726.35, 41,588.90 and 18,819.45 is: 28,228.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,726.35 : 41,588.90 = 18,819.45 : x
  2. Step 2: Convert to fraction form
    27,726.35/41,588.90 = 18,819.45/x
  3. Step 3: Cross multiply
    27,726.35x = 41,588.90 × 18,819.45
  4. Step 4: Simplify right side
    27,726.35x = 782,680,224.11
  5. Step 5: Solve for x
    x = 782,680,224.11/27,726.35
  6. Step 6: Final answer
    x = 28,228.75

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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.