Home / 25,446.70-38,138.66-18,450.73

Finding the Fourth Proportional to 25,446.70, 38,138.66 and 18,450.73

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Solution

The fourth proportional to 25,446.70, 38,138.66 and 18,450.73 is: 27,653.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,446.70 : 38,138.66 = 18,450.73 : x
  2. Step 2: Convert to fraction form
    25,446.70/38,138.66 = 18,450.73/x
  3. Step 3: Cross multiply
    25,446.70x = 38,138.66 × 18,450.73
  4. Step 4: Simplify right side
    25,446.70x = 703,686,118.22
  5. Step 5: Solve for x
    x = 703,686,118.22/25,446.70
  6. Step 6: Final answer
    x = 27,653.33

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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.