Home / 10,027.80-15,037.56-3,786.75

Finding the Fourth Proportional to 10,027.80, 15,037.56 and 3,786.75

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Solution

The fourth proportional to 10,027.80, 15,037.56 and 3,786.75 is: 5,678.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,027.80 : 15,037.56 = 3,786.75 : x
  2. Step 2: Convert to fraction form
    10,027.80/15,037.56 = 3,786.75/x
  3. Step 3: Cross multiply
    10,027.80x = 15,037.56 × 3,786.75
  4. Step 4: Simplify right side
    10,027.80x = 56,943,480.33
  5. Step 5: Solve for x
    x = 56,943,480.33/10,027.80
  6. Step 6: Final answer
    x = 5,678.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.