Home / 27,361.08-41,041.89-8,640.77

Finding the Fourth Proportional to 27,361.08, 41,041.89 and 8,640.77

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Solution

The fourth proportional to 27,361.08, 41,041.89 and 8,640.77 is: 12,961.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,361.08 : 41,041.89 = 8,640.77 : x
  2. Step 2: Convert to fraction form
    27,361.08/41,041.89 = 8,640.77/x
  3. Step 3: Cross multiply
    27,361.08x = 41,041.89 × 8,640.77
  4. Step 4: Simplify right side
    27,361.08x = 354,633,326.65
  5. Step 5: Solve for x
    x = 354,633,326.65/27,361.08
  6. Step 6: Final answer
    x = 12,961.23

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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.