Home / 21,833.68-32,795.88-21,250.48

Finding the Fourth Proportional to 21,833.68, 32,795.88 and 21,250.48

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Solution

The fourth proportional to 21,833.68, 32,795.88 and 21,250.48 is: 31,919.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,833.68 : 32,795.88 = 21,250.48 : x
  2. Step 2: Convert to fraction form
    21,833.68/32,795.88 = 21,250.48/x
  3. Step 3: Cross multiply
    21,833.68x = 32,795.88 × 21,250.48
  4. Step 4: Simplify right side
    21,833.68x = 696,928,192.02
  5. Step 5: Solve for x
    x = 696,928,192.02/21,833.68
  6. Step 6: Final answer
    x = 31,919.87

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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.