Home / 28,014.75-38,660.36-16,836.75

Finding the Fourth Proportional to 28,014.75, 38,660.36 and 16,836.75

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Solution

The fourth proportional to 28,014.75, 38,660.36 and 16,836.75 is: 23,234.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,014.75 : 38,660.36 = 16,836.75 : x
  2. Step 2: Convert to fraction form
    28,014.75/38,660.36 = 16,836.75/x
  3. Step 3: Cross multiply
    28,014.75x = 38,660.36 × 16,836.75
  4. Step 4: Simplify right side
    28,014.75x = 650,914,732.05
  5. Step 5: Solve for x
    x = 650,914,732.05/28,014.75
  6. Step 6: Final answer
    x = 23,234.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.