Home / 27,873.60-41,811.75-11,231.40

Finding the Fourth Proportional to 27,873.60, 41,811.75 and 11,231.40

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Solution

The fourth proportional to 27,873.60, 41,811.75 and 11,231.40 is: 16,847.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,873.60 : 41,811.75 = 11,231.40 : x
  2. Step 2: Convert to fraction form
    27,873.60/41,811.75 = 11,231.40/x
  3. Step 3: Cross multiply
    27,873.60x = 41,811.75 × 11,231.40
  4. Step 4: Simplify right side
    27,873.60x = 469,604,488.95
  5. Step 5: Solve for x
    x = 469,604,488.95/27,873.60
  6. Step 6: Final answer
    x = 16,847.64

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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.