Home / 57,039.08-85,562.94-15,485

Finding the Fourth Proportional to 57,039.08, 85,562.94 and 15,485

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Solution

The fourth proportional to 57,039.08, 85,562.94 and 15,485 is: 23,228.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,039.08 : 85,562.94 = 15,485 : x
  2. Step 2: Convert to fraction form
    57,039.08/85,562.94 = 15,485/x
  3. Step 3: Cross multiply
    57,039.08x = 85,562.94 × 15,485
  4. Step 4: Simplify right side
    57,039.08x = 1,324,942,125.90
  5. Step 5: Solve for x
    x = 1,324,942,125.90/57,039.08
  6. Step 6: Final answer
    x = 23,228.67

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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.