Home / 27,796.27-38,358.46-15,221.02

Finding the Fourth Proportional to 27,796.27, 38,358.46 and 15,221.02

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Solution

The fourth proportional to 27,796.27, 38,358.46 and 15,221.02 is: 21,004.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,796.27 : 38,358.46 = 15,221.02 : x
  2. Step 2: Convert to fraction form
    27,796.27/38,358.46 = 15,221.02/x
  3. Step 3: Cross multiply
    27,796.27x = 38,358.46 × 15,221.02
  4. Step 4: Simplify right side
    27,796.27x = 583,854,886.83
  5. Step 5: Solve for x
    x = 583,854,886.83/27,796.27
  6. Step 6: Final answer
    x = 21,004.79

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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.