Home / 27,662.60-38,174.22-15,725.94

Finding the Fourth Proportional to 27,662.60, 38,174.22 and 15,725.94

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Solution

The fourth proportional to 27,662.60, 38,174.22 and 15,725.94 is: 21,701.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,662.60 : 38,174.22 = 15,725.94 : x
  2. Step 2: Convert to fraction form
    27,662.60/38,174.22 = 15,725.94/x
  3. Step 3: Cross multiply
    27,662.60x = 38,174.22 × 15,725.94
  4. Step 4: Simplify right side
    27,662.60x = 600,325,493.27
  5. Step 5: Solve for x
    x = 600,325,493.27/27,662.60
  6. Step 6: Final answer
    x = 21,701.70

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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.