Home / 87,028-130,551.60-27,849.76

Finding the Fourth Proportional to 87,028, 130,551.60 and 27,849.76

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Solution

The fourth proportional to 87,028, 130,551.60 and 27,849.76 is: 41,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,028 : 130,551.60 = 27,849.76 : x
  2. Step 2: Convert to fraction form
    87,028/130,551.60 = 27,849.76/x
  3. Step 3: Cross multiply
    87,028x = 130,551.60 × 27,849.76
  4. Step 4: Simplify right side
    87,028x = 3,635,830,727.62
  5. Step 5: Solve for x
    x = 3,635,830,727.62/87,028
  6. Step 6: Final answer
    x = 41,777.71

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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.