Home / 26,853.24-40,286.69-18,971.16

Finding the Fourth Proportional to 26,853.24, 40,286.69 and 18,971.16

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Solution

The fourth proportional to 26,853.24, 40,286.69 and 18,971.16 is: 28,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,853.24 : 40,286.69 = 18,971.16 : x
  2. Step 2: Convert to fraction form
    26,853.24/40,286.69 = 18,971.16/x
  3. Step 3: Cross multiply
    26,853.24x = 40,286.69 × 18,971.16
  4. Step 4: Simplify right side
    26,853.24x = 764,285,067.07
  5. Step 5: Solve for x
    x = 764,285,067.07/26,853.24
  6. Step 6: Final answer
    x = 28,461.55

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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.