Home / 21,764.28-32,600.34-18,057.72

Finding the Fourth Proportional to 21,764.28, 32,600.34 and 18,057.72

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Solution

The fourth proportional to 21,764.28, 32,600.34 and 18,057.72 is: 27,048.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,764.28 : 32,600.34 = 18,057.72 : x
  2. Step 2: Convert to fraction form
    21,764.28/32,600.34 = 18,057.72/x
  3. Step 3: Cross multiply
    21,764.28x = 32,600.34 × 18,057.72
  4. Step 4: Simplify right side
    21,764.28x = 588,687,811.62
  5. Step 5: Solve for x
    x = 588,687,811.62/21,764.28
  6. Step 6: Final answer
    x = 27,048.35

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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.