Home / 18,550.78-27,826.47-5,403.25

Finding the Fourth Proportional to 18,550.78, 27,826.47 and 5,403.25

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Solution

The fourth proportional to 18,550.78, 27,826.47 and 5,403.25 is: 8,104.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.78 : 27,826.47 = 5,403.25 : x
  2. Step 2: Convert to fraction form
    18,550.78/27,826.47 = 5,403.25/x
  3. Step 3: Cross multiply
    18,550.78x = 27,826.47 × 5,403.25
  4. Step 4: Simplify right side
    18,550.78x = 150,353,374.03
  5. Step 5: Solve for x
    x = 150,353,374.03/18,550.78
  6. Step 6: Final answer
    x = 8,104.96

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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.