Home / 21,528.75-32,299.26-8,384.88

Finding the Fourth Proportional to 21,528.75, 32,299.26 and 8,384.88

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Solution

The fourth proportional to 21,528.75, 32,299.26 and 8,384.88 is: 12,579.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,528.75 : 32,299.26 = 8,384.88 : x
  2. Step 2: Convert to fraction form
    21,528.75/32,299.26 = 8,384.88/x
  3. Step 3: Cross multiply
    21,528.75x = 32,299.26 × 8,384.88
  4. Step 4: Simplify right side
    21,528.75x = 270,825,508.87
  5. Step 5: Solve for x
    x = 270,825,508.87/21,528.75
  6. Step 6: Final answer
    x = 12,579.71

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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.