Home / 18,286.72-27,415.36-16,828.48

Finding the Fourth Proportional to 18,286.72, 27,415.36 and 16,828.48

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Solution

The fourth proportional to 18,286.72, 27,415.36 and 16,828.48 is: 25,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.72 : 27,415.36 = 16,828.48 : x
  2. Step 2: Convert to fraction form
    18,286.72/27,415.36 = 16,828.48/x
  3. Step 3: Cross multiply
    18,286.72x = 27,415.36 × 16,828.48
  4. Step 4: Simplify right side
    18,286.72x = 461,358,837.45
  5. Step 5: Solve for x
    x = 461,358,837.45/18,286.72
  6. Step 6: Final answer
    x = 25,229.17

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1.5x scale

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.