Home / 27,822.57-41,643.54-20,425.38

Finding the Fourth Proportional to 27,822.57, 41,643.54 and 20,425.38

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Solution

The fourth proportional to 27,822.57, 41,643.54 and 20,425.38 is: 30,571.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,822.57 : 41,643.54 = 20,425.38 : x
  2. Step 2: Convert to fraction form
    27,822.57/41,643.54 = 20,425.38/x
  3. Step 3: Cross multiply
    27,822.57x = 41,643.54 × 20,425.38
  4. Step 4: Simplify right side
    27,822.57x = 850,585,129.05
  5. Step 5: Solve for x
    x = 850,585,129.05/27,822.57
  6. Step 6: Final answer
    x = 30,571.77

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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.