Home / 27,342.65-41,013.99-7,621.72

Finding the Fourth Proportional to 27,342.65, 41,013.99 and 7,621.72

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Solution

The fourth proportional to 27,342.65, 41,013.99 and 7,621.72 is: 11,432.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,342.65 : 41,013.99 = 7,621.72 : x
  2. Step 2: Convert to fraction form
    27,342.65/41,013.99 = 7,621.72/x
  3. Step 3: Cross multiply
    27,342.65x = 41,013.99 × 7,621.72
  4. Step 4: Simplify right side
    27,342.65x = 312,597,147.86
  5. Step 5: Solve for x
    x = 312,597,147.86/27,342.65
  6. Step 6: Final answer
    x = 11,432.58

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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.