Home / 28,932.86-43,400.98-11,163.61

Finding the Fourth Proportional to 28,932.86, 43,400.98 and 11,163.61

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Solution

The fourth proportional to 28,932.86, 43,400.98 and 11,163.61 is: 16,746.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.86 : 43,400.98 = 11,163.61 : x
  2. Step 2: Convert to fraction form
    28,932.86/43,400.98 = 11,163.61/x
  3. Step 3: Cross multiply
    28,932.86x = 43,400.98 × 11,163.61
  4. Step 4: Simplify right side
    28,932.86x = 484,511,688.74
  5. Step 5: Solve for x
    x = 484,511,688.74/28,932.86
  6. Step 6: Final answer
    x = 16,746.07

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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.