Home / 27,940.38-41,873.40-20,509.98

Finding the Fourth Proportional to 27,940.38, 41,873.40 and 20,509.98

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Solution

The fourth proportional to 27,940.38, 41,873.40 and 20,509.98 is: 30,737.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940.38 : 41,873.40 = 20,509.98 : x
  2. Step 2: Convert to fraction form
    27,940.38/41,873.40 = 20,509.98/x
  3. Step 3: Cross multiply
    27,940.38x = 41,873.40 × 20,509.98
  4. Step 4: Simplify right side
    27,940.38x = 858,822,596.53
  5. Step 5: Solve for x
    x = 858,822,596.53/27,940.38
  6. Step 6: Final answer
    x = 30,737.68

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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.