Home / 21,853.67-32,797.64-15,236.78

Finding the Fourth Proportional to 21,853.67, 32,797.64 and 15,236.78

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Solution

The fourth proportional to 21,853.67, 32,797.64 and 15,236.78 is: 22,867.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853.67 : 32,797.64 = 15,236.78 : x
  2. Step 2: Convert to fraction form
    21,853.67/32,797.64 = 15,236.78/x
  3. Step 3: Cross multiply
    21,853.67x = 32,797.64 × 15,236.78
  4. Step 4: Simplify right side
    21,853.67x = 499,730,299.30
  5. Step 5: Solve for x
    x = 499,730,299.30/21,853.67
  6. Step 6: Final answer
    x = 22,867.12

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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.