Home / 27,908.61-38,471.21-17,133.58

Finding the Fourth Proportional to 27,908.61, 38,471.21 and 17,133.58

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Solution

The fourth proportional to 27,908.61, 38,471.21 and 17,133.58 is: 23,618.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,908.61 : 38,471.21 = 17,133.58 : x
  2. Step 2: Convert to fraction form
    27,908.61/38,471.21 = 17,133.58/x
  3. Step 3: Cross multiply
    27,908.61x = 38,471.21 × 17,133.58
  4. Step 4: Simplify right side
    27,908.61x = 659,149,468.56
  5. Step 5: Solve for x
    x = 659,149,468.56/27,908.61
  6. Step 6: Final answer
    x = 23,618.14

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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.