Home / 27,383.40-37,786.50-16,771.32

Finding the Fourth Proportional to 27,383.40, 37,786.50 and 16,771.32

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Solution

The fourth proportional to 27,383.40, 37,786.50 and 16,771.32 is: 23,142.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,383.40 : 37,786.50 = 16,771.32 : x
  2. Step 2: Convert to fraction form
    27,383.40/37,786.50 = 16,771.32/x
  3. Step 3: Cross multiply
    27,383.40x = 37,786.50 × 16,771.32
  4. Step 4: Simplify right side
    27,383.40x = 633,729,483.18
  5. Step 5: Solve for x
    x = 633,729,483.18/27,383.40
  6. Step 6: Final answer
    x = 23,142.83

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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.