Home / 21,675.20-32,512.64-6,885.27

Finding the Fourth Proportional to 21,675.20, 32,512.64 and 6,885.27

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Solution

The fourth proportional to 21,675.20, 32,512.64 and 6,885.27 is: 10,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,675.20 : 32,512.64 = 6,885.27 : x
  2. Step 2: Convert to fraction form
    21,675.20/32,512.64 = 6,885.27/x
  3. Step 3: Cross multiply
    21,675.20x = 32,512.64 × 6,885.27
  4. Step 4: Simplify right side
    21,675.20x = 223,858,270.39
  5. Step 5: Solve for x
    x = 223,858,270.39/21,675.20
  6. Step 6: Final answer
    x = 10,327.85

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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.