Home / 27,872.37-41,812.91-9,148.14

Finding the Fourth Proportional to 27,872.37, 41,812.91 and 9,148.14

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Solution

The fourth proportional to 27,872.37, 41,812.91 and 9,148.14 is: 13,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,872.37 : 41,812.91 = 9,148.14 : x
  2. Step 2: Convert to fraction form
    27,872.37/41,812.91 = 9,148.14/x
  3. Step 3: Cross multiply
    27,872.37x = 41,812.91 × 9,148.14
  4. Step 4: Simplify right side
    27,872.37x = 382,510,343.05
  5. Step 5: Solve for x
    x = 382,510,343.05/27,872.37
  6. Step 6: Final answer
    x = 13,723.64

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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.