Home / 27,643.80-41,434.89-10,999.38

Finding the Fourth Proportional to 27,643.80, 41,434.89 and 10,999.38

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Solution

The fourth proportional to 27,643.80, 41,434.89 and 10,999.38 is: 16,486.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,643.80 : 41,434.89 = 10,999.38 : x
  2. Step 2: Convert to fraction form
    27,643.80/41,434.89 = 10,999.38/x
  3. Step 3: Cross multiply
    27,643.80x = 41,434.89 × 10,999.38
  4. Step 4: Simplify right side
    27,643.80x = 455,758,100.37
  5. Step 5: Solve for x
    x = 455,758,100.37/27,643.80
  6. Step 6: Final answer
    x = 16,486.81

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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.