Home / 27,958.08-38,579.78-16,471.14

Finding the Fourth Proportional to 27,958.08, 38,579.78 and 16,471.14

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Solution

The fourth proportional to 27,958.08, 38,579.78 and 16,471.14 is: 22,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,958.08 : 38,579.78 = 16,471.14 : x
  2. Step 2: Convert to fraction form
    27,958.08/38,579.78 = 16,471.14/x
  3. Step 3: Cross multiply
    27,958.08x = 38,579.78 × 16,471.14
  4. Step 4: Simplify right side
    27,958.08x = 635,452,957.55
  5. Step 5: Solve for x
    x = 635,452,957.55/27,958.08
  6. Step 6: Final answer
    x = 22,728.78

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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.