Home / 57,181.92-85,770.24-15,628.80

Finding the Fourth Proportional to 57,181.92, 85,770.24 and 15,628.80

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Solution

The fourth proportional to 57,181.92, 85,770.24 and 15,628.80 is: 23,442.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,181.92 : 85,770.24 = 15,628.80 : x
  2. Step 2: Convert to fraction form
    57,181.92/85,770.24 = 15,628.80/x
  3. Step 3: Cross multiply
    57,181.92x = 85,770.24 × 15,628.80
  4. Step 4: Simplify right side
    57,181.92x = 1,340,485,926.91
  5. Step 5: Solve for x
    x = 1,340,485,926.91/57,181.92
  6. Step 6: Final answer
    x = 23,442.48

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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.