Home / 18,908.87-28,335.44-16,832.84

Finding the Fourth Proportional to 18,908.87, 28,335.44 and 16,832.84

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Solution

The fourth proportional to 18,908.87, 28,335.44 and 16,832.84 is: 25,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,908.87 : 28,335.44 = 16,832.84 : x
  2. Step 2: Convert to fraction form
    18,908.87/28,335.44 = 16,832.84/x
  3. Step 3: Cross multiply
    18,908.87x = 28,335.44 × 16,832.84
  4. Step 4: Simplify right side
    18,908.87x = 476,965,702.01
  5. Step 5: Solve for x
    x = 476,965,702.01/18,908.87
  6. Step 6: Final answer
    x = 25,224.45

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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.