Home / 16,828.20-25,219.44-8,928.72

Finding the Fourth Proportional to 16,828.20, 25,219.44 and 8,928.72

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Solution

The fourth proportional to 16,828.20, 25,219.44 and 8,928.72 is: 13,380.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.20 : 25,219.44 = 8,928.72 : x
  2. Step 2: Convert to fraction form
    16,828.20/25,219.44 = 8,928.72/x
  3. Step 3: Cross multiply
    16,828.20x = 25,219.44 × 8,928.72
  4. Step 4: Simplify right side
    16,828.20x = 225,177,318.32
  5. Step 5: Solve for x
    x = 225,177,318.32/16,828.20
  6. Step 6: Final answer
    x = 13,380.95

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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.