Home / 57,387.62-86,074.56-15,270.80

Finding the Fourth Proportional to 57,387.62, 86,074.56 and 15,270.80

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Solution

The fourth proportional to 57,387.62, 86,074.56 and 15,270.80 is: 22,904.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,387.62 : 86,074.56 = 15,270.80 : x
  2. Step 2: Convert to fraction form
    57,387.62/86,074.56 = 15,270.80/x
  3. Step 3: Cross multiply
    57,387.62x = 86,074.56 × 15,270.80
  4. Step 4: Simplify right side
    57,387.62x = 1,314,427,390.85
  5. Step 5: Solve for x
    x = 1,314,427,390.85/57,387.62
  6. Step 6: Final answer
    x = 22,904.37

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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.