Home / 27,673.44-38,188.80-15,098.40

Finding the Fourth Proportional to 27,673.44, 38,188.80 and 15,098.40

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Solution

The fourth proportional to 27,673.44, 38,188.80 and 15,098.40 is: 20,835.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,673.44 : 38,188.80 = 15,098.40 : x
  2. Step 2: Convert to fraction form
    27,673.44/38,188.80 = 15,098.40/x
  3. Step 3: Cross multiply
    27,673.44x = 38,188.80 × 15,098.40
  4. Step 4: Simplify right side
    27,673.44x = 576,589,777.92
  5. Step 5: Solve for x
    x = 576,589,777.92/27,673.44
  6. Step 6: Final answer
    x = 20,835.49

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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.