Home / 27,086.75-37,383.80-15,599.54

Finding the Fourth Proportional to 27,086.75, 37,383.80 and 15,599.54

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Solution

The fourth proportional to 27,086.75, 37,383.80 and 15,599.54 is: 21,529.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,086.75 : 37,383.80 = 15,599.54 : x
  2. Step 2: Convert to fraction form
    27,086.75/37,383.80 = 15,599.54/x
  3. Step 3: Cross multiply
    27,086.75x = 37,383.80 × 15,599.54
  4. Step 4: Simplify right side
    27,086.75x = 583,170,020.25
  5. Step 5: Solve for x
    x = 583,170,020.25/27,086.75
  6. Step 6: Final answer
    x = 21,529.71

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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.