Home / 27,940.30-38,558.07-15,193.73

Finding the Fourth Proportional to 27,940.30, 38,558.07 and 15,193.73

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Solution

The fourth proportional to 27,940.30, 38,558.07 and 15,193.73 is: 20,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940.30 : 38,558.07 = 15,193.73 : x
  2. Step 2: Convert to fraction form
    27,940.30/38,558.07 = 15,193.73/x
  3. Step 3: Cross multiply
    27,940.30x = 38,558.07 × 15,193.73
  4. Step 4: Simplify right side
    27,940.30x = 585,841,001.30
  5. Step 5: Solve for x
    x = 585,841,001.30/27,940.30
  6. Step 6: Final answer
    x = 20,967.60

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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.