Home / 28,866.61-43,304.46-12,226.69

Finding the Fourth Proportional to 28,866.61, 43,304.46 and 12,226.69

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Solution

The fourth proportional to 28,866.61, 43,304.46 and 12,226.69 is: 18,341.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,866.61 : 43,304.46 = 12,226.69 : x
  2. Step 2: Convert to fraction form
    28,866.61/43,304.46 = 12,226.69/x
  3. Step 3: Cross multiply
    28,866.61x = 43,304.46 × 12,226.69
  4. Step 4: Simplify right side
    28,866.61x = 529,470,208.04
  5. Step 5: Solve for x
    x = 529,470,208.04/28,866.61
  6. Step 6: Final answer
    x = 18,341.96

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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.