Home / 21,628.92-32,286.94-19,004.52

Finding the Fourth Proportional to 21,628.92, 32,286.94 and 19,004.52

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Solution

The fourth proportional to 21,628.92, 32,286.94 and 19,004.52 is: 28,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,628.92 : 32,286.94 = 19,004.52 : x
  2. Step 2: Convert to fraction form
    21,628.92/32,286.94 = 19,004.52/x
  3. Step 3: Cross multiply
    21,628.92x = 32,286.94 × 19,004.52
  4. Step 4: Simplify right side
    21,628.92x = 613,597,796.97
  5. Step 5: Solve for x
    x = 613,597,796.97/21,628.92
  6. Step 6: Final answer
    x = 28,369.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.