Home / 25,450.86-38,194.50-18,857.16

Finding the Fourth Proportional to 25,450.86, 38,194.50 and 18,857.16

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Solution

The fourth proportional to 25,450.86, 38,194.50 and 18,857.16 is: 28,299.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.86 : 38,194.50 = 18,857.16 : x
  2. Step 2: Convert to fraction form
    25,450.86/38,194.50 = 18,857.16/x
  3. Step 3: Cross multiply
    25,450.86x = 38,194.50 × 18,857.16
  4. Step 4: Simplify right side
    25,450.86x = 720,239,797.62
  5. Step 5: Solve for x
    x = 720,239,797.62/25,450.86
  6. Step 6: Final answer
    x = 28,299.23

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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.