Home / 20,628.27-30,914.46-14,771.97

Finding the Fourth Proportional to 20,628.27, 30,914.46 and 14,771.97

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Solution

The fourth proportional to 20,628.27, 30,914.46 and 14,771.97 is: 22,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,628.27 : 30,914.46 = 14,771.97 : x
  2. Step 2: Convert to fraction form
    20,628.27/30,914.46 = 14,771.97/x
  3. Step 3: Cross multiply
    20,628.27x = 30,914.46 × 14,771.97
  4. Step 4: Simplify right side
    20,628.27x = 456,667,475.69
  5. Step 5: Solve for x
    x = 456,667,475.69/20,628.27
  6. Step 6: Final answer
    x = 22,137.94

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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.