Home / 28,724.45-43,086.35-11,206.58

Finding the Fourth Proportional to 28,724.45, 43,086.35 and 11,206.58

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Solution

The fourth proportional to 28,724.45, 43,086.35 and 11,206.58 is: 16,809.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724.45 : 43,086.35 = 11,206.58 : x
  2. Step 2: Convert to fraction form
    28,724.45/43,086.35 = 11,206.58/x
  3. Step 3: Cross multiply
    28,724.45x = 43,086.35 × 11,206.58
  4. Step 4: Simplify right side
    28,724.45x = 482,850,356.72
  5. Step 5: Solve for x
    x = 482,850,356.72/28,724.45
  6. Step 6: Final answer
    x = 16,809.74

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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.