Home / 26,189-36,131.70-14,857.16

Finding the Fourth Proportional to 26,189, 36,131.70 and 14,857.16

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Solution

The fourth proportional to 26,189, 36,131.70 and 14,857.16 is: 20,497.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,189 : 36,131.70 = 14,857.16 : x
  2. Step 2: Convert to fraction form
    26,189/36,131.70 = 14,857.16/x
  3. Step 3: Cross multiply
    26,189x = 36,131.70 × 14,857.16
  4. Step 4: Simplify right side
    26,189x = 536,814,447.97
  5. Step 5: Solve for x
    x = 536,814,447.97/26,189
  6. Step 6: Final answer
    x = 20,497.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.