Home / 21,513.28-32,257.39-8,350.27

Finding the Fourth Proportional to 21,513.28, 32,257.39 and 8,350.27

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Solution

The fourth proportional to 21,513.28, 32,257.39 and 8,350.27 is: 12,520.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,513.28 : 32,257.39 = 8,350.27 : x
  2. Step 2: Convert to fraction form
    21,513.28/32,257.39 = 8,350.27/x
  3. Step 3: Cross multiply
    21,513.28x = 32,257.39 × 8,350.27
  4. Step 4: Simplify right side
    21,513.28x = 269,357,935.44
  5. Step 5: Solve for x
    x = 269,357,935.44/21,513.28
  6. Step 6: Final answer
    x = 12,520.54

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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.