Home / 20,693.28-31,059.36-16,105.44

Finding the Fourth Proportional to 20,693.28, 31,059.36 and 16,105.44

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Solution

The fourth proportional to 20,693.28, 31,059.36 and 16,105.44 is: 24,173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,693.28 : 31,059.36 = 16,105.44 : x
  2. Step 2: Convert to fraction form
    20,693.28/31,059.36 = 16,105.44/x
  3. Step 3: Cross multiply
    20,693.28x = 31,059.36 × 16,105.44
  4. Step 4: Simplify right side
    20,693.28x = 500,224,658.92
  5. Step 5: Solve for x
    x = 500,224,658.92/20,693.28
  6. Step 6: Final answer
    x = 24,173.29

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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.