Home / 27,819.20-41,735.04-10,289.60

Finding the Fourth Proportional to 27,819.20, 41,735.04 and 10,289.60

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Solution

The fourth proportional to 27,819.20, 41,735.04 and 10,289.60 is: 15,436.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,819.20 : 41,735.04 = 10,289.60 : x
  2. Step 2: Convert to fraction form
    27,819.20/41,735.04 = 10,289.60/x
  3. Step 3: Cross multiply
    27,819.20x = 41,735.04 × 10,289.60
  4. Step 4: Simplify right side
    27,819.20x = 429,436,867.58
  5. Step 5: Solve for x
    x = 429,436,867.58/27,819.20
  6. Step 6: Final answer
    x = 15,436.71

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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.