Home / 28,919.66-43,352.84-10,189.50

Finding the Fourth Proportional to 28,919.66, 43,352.84 and 10,189.50

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Solution

The fourth proportional to 28,919.66, 43,352.84 and 10,189.50 is: 15,274.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,919.66 : 43,352.84 = 10,189.50 : x
  2. Step 2: Convert to fraction form
    28,919.66/43,352.84 = 10,189.50/x
  3. Step 3: Cross multiply
    28,919.66x = 43,352.84 × 10,189.50
  4. Step 4: Simplify right side
    28,919.66x = 441,743,763.18
  5. Step 5: Solve for x
    x = 441,743,763.18/28,919.66
  6. Step 6: Final answer
    x = 15,274.86

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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.