Home / 27,654.52-38,163.28-15,079.27

Finding the Fourth Proportional to 27,654.52, 38,163.28 and 15,079.27

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Solution

The fourth proportional to 27,654.52, 38,163.28 and 15,079.27 is: 20,809.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,654.52 : 38,163.28 = 15,079.27 : x
  2. Step 2: Convert to fraction form
    27,654.52/38,163.28 = 15,079.27/x
  3. Step 3: Cross multiply
    27,654.52x = 38,163.28 × 15,079.27
  4. Step 4: Simplify right side
    27,654.52x = 575,474,403.21
  5. Step 5: Solve for x
    x = 575,474,403.21/27,654.52
  6. Step 6: Final answer
    x = 20,809.42

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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.