Home / 20,610.28-30,846.30-16,912.36

Finding the Fourth Proportional to 20,610.28, 30,846.30 and 16,912.36

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Solution

The fourth proportional to 20,610.28, 30,846.30 and 16,912.36 is: 25,311.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,610.28 : 30,846.30 = 16,912.36 : x
  2. Step 2: Convert to fraction form
    20,610.28/30,846.30 = 16,912.36/x
  3. Step 3: Cross multiply
    20,610.28x = 30,846.30 × 16,912.36
  4. Step 4: Simplify right side
    20,610.28x = 521,683,730.27
  5. Step 5: Solve for x
    x = 521,683,730.27/20,610.28
  6. Step 6: Final answer
    x = 25,311.82

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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.