Home / 27,379.79-41,074.74-8,664.53

Finding the Fourth Proportional to 27,379.79, 41,074.74 and 8,664.53

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Solution

The fourth proportional to 27,379.79, 41,074.74 and 8,664.53 is: 12,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,379.79 : 41,074.74 = 8,664.53 : x
  2. Step 2: Convert to fraction form
    27,379.79/41,074.74 = 8,664.53/x
  3. Step 3: Cross multiply
    27,379.79x = 41,074.74 × 8,664.53
  4. Step 4: Simplify right side
    27,379.79x = 355,893,273.65
  5. Step 5: Solve for x
    x = 355,893,273.65/27,379.79
  6. Step 6: Final answer
    x = 12,998.40

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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.