Home / 22,152.45-30,727.03-21,354.53

Finding the Fourth Proportional to 22,152.45, 30,727.03 and 21,354.53

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Solution

The fourth proportional to 22,152.45, 30,727.03 and 21,354.53 is: 29,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,152.45 : 30,727.03 = 21,354.53 : x
  2. Step 2: Convert to fraction form
    22,152.45/30,727.03 = 21,354.53/x
  3. Step 3: Cross multiply
    22,152.45x = 30,727.03 × 21,354.53
  4. Step 4: Simplify right side
    22,152.45x = 656,161,076.92
  5. Step 5: Solve for x
    x = 656,161,076.92/22,152.45
  6. Step 6: Final answer
    x = 29,620.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.