Home / 27,819.88-41,682.28-19,881.84

Finding the Fourth Proportional to 27,819.88, 41,682.28 and 19,881.84

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Solution

The fourth proportional to 27,819.88, 41,682.28 and 19,881.84 is: 29,788.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,819.88 : 41,682.28 = 19,881.84 : x
  2. Step 2: Convert to fraction form
    27,819.88/41,682.28 = 19,881.84/x
  3. Step 3: Cross multiply
    27,819.88x = 41,682.28 × 19,881.84
  4. Step 4: Simplify right side
    27,819.88x = 828,720,526.00
  5. Step 5: Solve for x
    x = 828,720,526.00/27,819.88
  6. Step 6: Final answer
    x = 29,788.79

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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.