Home / 27,631.66-38,131.68-15,056.42

Finding the Fourth Proportional to 27,631.66, 38,131.68 and 15,056.42

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Solution

The fourth proportional to 27,631.66, 38,131.68 and 15,056.42 is: 20,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.66 : 38,131.68 = 15,056.42 : x
  2. Step 2: Convert to fraction form
    27,631.66/38,131.68 = 15,056.42/x
  3. Step 3: Cross multiply
    27,631.66x = 38,131.68 × 15,056.42
  4. Step 4: Simplify right side
    27,631.66x = 574,126,589.39
  5. Step 5: Solve for x
    x = 574,126,589.39/27,631.66
  6. Step 6: Final answer
    x = 20,777.85

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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.