Home / 20,156.62-27,829.71-18,025.54

Finding the Fourth Proportional to 20,156.62, 27,829.71 and 18,025.54

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Solution

The fourth proportional to 20,156.62, 27,829.71 and 18,025.54 is: 24,887.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156.62 : 27,829.71 = 18,025.54 : x
  2. Step 2: Convert to fraction form
    20,156.62/27,829.71 = 18,025.54/x
  3. Step 3: Cross multiply
    20,156.62x = 27,829.71 × 18,025.54
  4. Step 4: Simplify right side
    20,156.62x = 501,645,550.79
  5. Step 5: Solve for x
    x = 501,645,550.79/20,156.62
  6. Step 6: Final answer
    x = 24,887.38

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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.