Home / 20,204.43-27,874.57-20,173.28

Finding the Fourth Proportional to 20,204.43, 27,874.57 and 20,173.28

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Solution

The fourth proportional to 20,204.43, 27,874.57 and 20,173.28 is: 27,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.43 : 27,874.57 = 20,173.28 : x
  2. Step 2: Convert to fraction form
    20,204.43/27,874.57 = 20,173.28/x
  3. Step 3: Cross multiply
    20,204.43x = 27,874.57 × 20,173.28
  4. Step 4: Simplify right side
    20,204.43x = 562,321,600.39
  5. Step 5: Solve for x
    x = 562,321,600.39/20,204.43
  6. Step 6: Final answer
    x = 27,831.60

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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.