Home / 27,379.47-41,074.26-8,664.21

Finding the Fourth Proportional to 27,379.47, 41,074.26 and 8,664.21

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Solution

The fourth proportional to 27,379.47, 41,074.26 and 8,664.21 is: 12,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,379.47 : 41,074.26 = 8,664.21 : x
  2. Step 2: Convert to fraction form
    27,379.47/41,074.26 = 8,664.21/x
  3. Step 3: Cross multiply
    27,379.47x = 41,074.26 × 8,664.21
  4. Step 4: Simplify right side
    27,379.47x = 355,876,014.23
  5. Step 5: Solve for x
    x = 355,876,014.23/27,379.47
  6. Step 6: Final answer
    x = 12,997.91

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1.5x scale

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.