Home / 18,828.88-28,245.78-5,682.58

Finding the Fourth Proportional to 18,828.88, 28,245.78 and 5,682.58

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Solution

The fourth proportional to 18,828.88, 28,245.78 and 5,682.58 is: 8,524.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.88 : 28,245.78 = 5,682.58 : x
  2. Step 2: Convert to fraction form
    18,828.88/28,245.78 = 5,682.58/x
  3. Step 3: Cross multiply
    18,828.88x = 28,245.78 × 5,682.58
  4. Step 4: Simplify right side
    18,828.88x = 160,508,904.51
  5. Step 5: Solve for x
    x = 160,508,904.51/18,828.88
  6. Step 6: Final answer
    x = 8,524.61

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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.