Home / 22,228.45-33,305.65-15,640.79

Finding the Fourth Proportional to 22,228.45, 33,305.65 and 15,640.79

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Solution

The fourth proportional to 22,228.45, 33,305.65 and 15,640.79 is: 23,435.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,228.45 : 33,305.65 = 15,640.79 : x
  2. Step 2: Convert to fraction form
    22,228.45/33,305.65 = 15,640.79/x
  3. Step 3: Cross multiply
    22,228.45x = 33,305.65 × 15,640.79
  4. Step 4: Simplify right side
    22,228.45x = 520,926,760.73
  5. Step 5: Solve for x
    x = 520,926,760.73/22,228.45
  6. Step 6: Final answer
    x = 23,435.14

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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.