Home / 27,672.16-38,187.48-15,096.88

Finding the Fourth Proportional to 27,672.16, 38,187.48 and 15,096.88

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Solution

The fourth proportional to 27,672.16, 38,187.48 and 15,096.88 is: 20,833.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,672.16 : 38,187.48 = 15,096.88 : x
  2. Step 2: Convert to fraction form
    27,672.16/38,187.48 = 15,096.88/x
  3. Step 3: Cross multiply
    27,672.16x = 38,187.48 × 15,096.88
  4. Step 4: Simplify right side
    27,672.16x = 576,511,803.06
  5. Step 5: Solve for x
    x = 576,511,803.06/27,672.16
  6. Step 6: Final answer
    x = 20,833.64

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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.