Home / 34,857.12-52,285.85-8,561.87

Finding the Fourth Proportional to 34,857.12, 52,285.85 and 8,561.87

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Solution

The fourth proportional to 34,857.12, 52,285.85 and 8,561.87 is: 12,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,857.12 : 52,285.85 = 8,561.87 : x
  2. Step 2: Convert to fraction form
    34,857.12/52,285.85 = 8,561.87/x
  3. Step 3: Cross multiply
    34,857.12x = 52,285.85 × 8,561.87
  4. Step 4: Simplify right side
    34,857.12x = 447,664,650.54
  5. Step 5: Solve for x
    x = 447,664,650.54/34,857.12
  6. Step 6: Final answer
    x = 12,842.85

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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.