Home / 28,716.96-43,095.12-11,186.88

Finding the Fourth Proportional to 28,716.96, 43,095.12 and 11,186.88

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Solution

The fourth proportional to 28,716.96, 43,095.12 and 11,186.88 is: 16,787.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.96 : 43,095.12 = 11,186.88 : x
  2. Step 2: Convert to fraction form
    28,716.96/43,095.12 = 11,186.88/x
  3. Step 3: Cross multiply
    28,716.96x = 43,095.12 × 11,186.88
  4. Step 4: Simplify right side
    28,716.96x = 482,099,936.03
  5. Step 5: Solve for x
    x = 482,099,936.03/28,716.96
  6. Step 6: Final answer
    x = 16,787.99

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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.