Home / 23,052.52-31,815.48-12,982.90

Finding the Fourth Proportional to 23,052.52, 31,815.48 and 12,982.90

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Solution

The fourth proportional to 23,052.52, 31,815.48 and 12,982.90 is: 17,918.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,052.52 : 31,815.48 = 12,982.90 : x
  2. Step 2: Convert to fraction form
    23,052.52/31,815.48 = 12,982.90/x
  3. Step 3: Cross multiply
    23,052.52x = 31,815.48 × 12,982.90
  4. Step 4: Simplify right side
    23,052.52x = 413,057,195.29
  5. Step 5: Solve for x
    x = 413,057,195.29/23,052.52
  6. Step 6: Final answer
    x = 17,918.09

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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.