Home / 57,277.75-85,918.26-15,724.75

Finding the Fourth Proportional to 57,277.75, 85,918.26 and 15,724.75

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Solution

The fourth proportional to 57,277.75, 85,918.26 and 15,724.75 is: 23,587.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,277.75 : 85,918.26 = 15,724.75 : x
  2. Step 2: Convert to fraction form
    57,277.75/85,918.26 = 15,724.75/x
  3. Step 3: Cross multiply
    57,277.75x = 85,918.26 × 15,724.75
  4. Step 4: Simplify right side
    57,277.75x = 1,351,043,158.94
  5. Step 5: Solve for x
    x = 1,351,043,158.94/57,277.75
  6. Step 6: Final answer
    x = 23,587.57

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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.