Home / 27,379.53-41,074.36-8,664.28

Finding the Fourth Proportional to 27,379.53, 41,074.36 and 8,664.28

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Solution

The fourth proportional to 27,379.53, 41,074.36 and 8,664.28 is: 12,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,379.53 : 41,074.36 = 8,664.28 : x
  2. Step 2: Convert to fraction form
    27,379.53/41,074.36 = 8,664.28/x
  3. Step 3: Cross multiply
    27,379.53x = 41,074.36 × 8,664.28
  4. Step 4: Simplify right side
    27,379.53x = 355,879,507.17
  5. Step 5: Solve for x
    x = 355,879,507.17/27,379.53
  6. Step 6: Final answer
    x = 12,998.01

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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.