Home / 27,215.28-37,563.21-17,778.42

Finding the Fourth Proportional to 27,215.28, 37,563.21 and 17,778.42

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Solution

The fourth proportional to 27,215.28, 37,563.21 and 17,778.42 is: 24,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,215.28 : 37,563.21 = 17,778.42 : x
  2. Step 2: Convert to fraction form
    27,215.28/37,563.21 = 17,778.42/x
  3. Step 3: Cross multiply
    27,215.28x = 37,563.21 × 17,778.42
  4. Step 4: Simplify right side
    27,215.28x = 667,814,523.93
  5. Step 5: Solve for x
    x = 667,814,523.93/27,215.28
  6. Step 6: Final answer
    x = 24,538.22

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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.