Home / 21,834.68-32,797.38-21,251.48

Finding the Fourth Proportional to 21,834.68, 32,797.38 and 21,251.48

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Solution

The fourth proportional to 21,834.68, 32,797.38 and 21,251.48 is: 31,921.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,834.68 : 32,797.38 = 21,251.48 : x
  2. Step 2: Convert to fraction form
    21,834.68/32,797.38 = 21,251.48/x
  3. Step 3: Cross multiply
    21,834.68x = 32,797.38 × 21,251.48
  4. Step 4: Simplify right side
    21,834.68x = 696,992,865.12
  5. Step 5: Solve for x
    x = 696,992,865.12/21,834.68
  6. Step 6: Final answer
    x = 31,921.37

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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.