Home / 18,726.50-28,094.37-5,578.82

Finding the Fourth Proportional to 18,726.50, 28,094.37 and 5,578.82

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Solution

The fourth proportional to 18,726.50, 28,094.37 and 5,578.82 is: 8,369.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.50 : 28,094.37 = 5,578.82 : x
  2. Step 2: Convert to fraction form
    18,726.50/28,094.37 = 5,578.82/x
  3. Step 3: Cross multiply
    18,726.50x = 28,094.37 × 5,578.82
  4. Step 4: Simplify right side
    18,726.50x = 156,733,433.24
  5. Step 5: Solve for x
    x = 156,733,433.24/18,726.50
  6. Step 6: Final answer
    x = 8,369.61

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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.