Home / 18,550.08-27,827.84-5,400.72

Finding the Fourth Proportional to 18,550.08, 27,827.84 and 5,400.72

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Solution

The fourth proportional to 18,550.08, 27,827.84 and 5,400.72 is: 8,101.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.08 : 27,827.84 = 5,400.72 : x
  2. Step 2: Convert to fraction form
    18,550.08/27,827.84 = 5,400.72/x
  3. Step 3: Cross multiply
    18,550.08x = 27,827.84 × 5,400.72
  4. Step 4: Simplify right side
    18,550.08x = 150,290,372.04
  5. Step 5: Solve for x
    x = 150,290,372.04/18,550.08
  6. Step 6: Final answer
    x = 8,101.87

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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.