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Finding the Fourth Proportional to 57,277.74, 85,911.57 and 15,724.74

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Solution

The fourth proportional to 57,277.74, 85,911.57 and 15,724.74 is: 23,585.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,277.74 : 85,911.57 = 15,724.74 : x
  2. Step 2: Convert to fraction form
    57,277.74/85,911.57 = 15,724.74/x
  3. Step 3: Cross multiply
    57,277.74x = 85,911.57 × 15,724.74
  4. Step 4: Simplify right side
    57,277.74x = 1,350,937,101.24
  5. Step 5: Solve for x
    x = 1,350,937,101.24/57,277.74
  6. Step 6: Final answer
    x = 23,585.73

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1.5x scale

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.