Home / 22,725.33-31,360.87-12,653.89

Finding the Fourth Proportional to 22,725.33, 31,360.87 and 12,653.89

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Solution

The fourth proportional to 22,725.33, 31,360.87 and 12,653.89 is: 17,462.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,725.33 : 31,360.87 = 12,653.89 : x
  2. Step 2: Convert to fraction form
    22,725.33/31,360.87 = 12,653.89/x
  3. Step 3: Cross multiply
    22,725.33x = 31,360.87 × 12,653.89
  4. Step 4: Simplify right side
    22,725.33x = 396,836,936.70
  5. Step 5: Solve for x
    x = 396,836,936.70/22,725.33
  6. Step 6: Final answer
    x = 17,462.32

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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.