Home / 28,245.24-38,974.59-16,912.14

Finding the Fourth Proportional to 28,245.24, 38,974.59 and 16,912.14

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Solution

The fourth proportional to 28,245.24, 38,974.59 and 16,912.14 is: 23,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245.24 : 38,974.59 = 16,912.14 : x
  2. Step 2: Convert to fraction form
    28,245.24/38,974.59 = 16,912.14/x
  3. Step 3: Cross multiply
    28,245.24x = 38,974.59 × 16,912.14
  4. Step 4: Simplify right side
    28,245.24x = 659,143,722.52
  5. Step 5: Solve for x
    x = 659,143,722.52/28,245.24
  6. Step 6: Final answer
    x = 23,336.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.