Home / 57,028.72-85,541.64-15,474.64

Finding the Fourth Proportional to 57,028.72, 85,541.64 and 15,474.64

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Solution

The fourth proportional to 57,028.72, 85,541.64 and 15,474.64 is: 23,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,028.72 : 85,541.64 = 15,474.64 : x
  2. Step 2: Convert to fraction form
    57,028.72/85,541.64 = 15,474.64/x
  3. Step 3: Cross multiply
    57,028.72x = 85,541.64 × 15,474.64
  4. Step 4: Simplify right side
    57,028.72x = 1,323,726,084.01
  5. Step 5: Solve for x
    x = 1,323,726,084.01/57,028.72
  6. Step 6: Final answer
    x = 23,211.57

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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.