Home / 27,964.68-41,917.62-12,378.60

Finding the Fourth Proportional to 27,964.68, 41,917.62 and 12,378.60

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Solution

The fourth proportional to 27,964.68, 41,917.62 and 12,378.60 is: 18,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,964.68 : 41,917.62 = 12,378.60 : x
  2. Step 2: Convert to fraction form
    27,964.68/41,917.62 = 12,378.60/x
  3. Step 3: Cross multiply
    27,964.68x = 41,917.62 × 12,378.60
  4. Step 4: Simplify right side
    27,964.68x = 518,881,450.93
  5. Step 5: Solve for x
    x = 518,881,450.93/27,964.68
  6. Step 6: Final answer
    x = 18,554.89

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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.