Home / 27,862.92-38,451.24-15,927.03

Finding the Fourth Proportional to 27,862.92, 38,451.24 and 15,927.03

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Solution

The fourth proportional to 27,862.92, 38,451.24 and 15,927.03 is: 21,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,862.92 : 38,451.24 = 15,927.03 : x
  2. Step 2: Convert to fraction form
    27,862.92/38,451.24 = 15,927.03/x
  3. Step 3: Cross multiply
    27,862.92x = 38,451.24 × 15,927.03
  4. Step 4: Simplify right side
    27,862.92x = 612,414,053.02
  5. Step 5: Solve for x
    x = 612,414,053.02/27,862.92
  6. Step 6: Final answer
    x = 21,979.54

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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.