Home / 22,881.97-31,576.78-12,810.41

Finding the Fourth Proportional to 22,881.97, 31,576.78 and 12,810.41

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Solution

The fourth proportional to 22,881.97, 31,576.78 and 12,810.41 is: 17,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,881.97 : 31,576.78 = 12,810.41 : x
  2. Step 2: Convert to fraction form
    22,881.97/31,576.78 = 12,810.41/x
  3. Step 3: Cross multiply
    22,881.97x = 31,576.78 × 12,810.41
  4. Step 4: Simplify right side
    22,881.97x = 404,511,652.44
  5. Step 5: Solve for x
    x = 404,511,652.44/22,881.97
  6. Step 6: Final answer
    x = 17,678.19

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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.