Home / 27,672.06-38,187.89-15,096.81

Finding the Fourth Proportional to 27,672.06, 38,187.89 and 15,096.81

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Solution

The fourth proportional to 27,672.06, 38,187.89 and 15,096.81 is: 20,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,672.06 : 38,187.89 = 15,096.81 : x
  2. Step 2: Convert to fraction form
    27,672.06/38,187.89 = 15,096.81/x
  3. Step 3: Cross multiply
    27,672.06x = 38,187.89 × 15,096.81
  4. Step 4: Simplify right side
    27,672.06x = 576,515,443.96
  5. Step 5: Solve for x
    x = 576,515,443.96/27,672.06
  6. Step 6: Final answer
    x = 20,833.84

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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.