Home / 27,796.40-38,359.06-15,049.59

Finding the Fourth Proportional to 27,796.40, 38,359.06 and 15,049.59

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Solution

The fourth proportional to 27,796.40, 38,359.06 and 15,049.59 is: 20,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,796.40 : 38,359.06 = 15,049.59 : x
  2. Step 2: Convert to fraction form
    27,796.40/38,359.06 = 15,049.59/x
  3. Step 3: Cross multiply
    27,796.40x = 38,359.06 × 15,049.59
  4. Step 4: Simplify right side
    27,796.40x = 577,288,125.79
  5. Step 5: Solve for x
    x = 577,288,125.79/27,796.40
  6. Step 6: Final answer
    x = 20,768.45

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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.