Home / 28,972.70-43,478.52-10,252.65

Finding the Fourth Proportional to 28,972.70, 43,478.52 and 10,252.65

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Solution

The fourth proportional to 28,972.70, 43,478.52 and 10,252.65 is: 15,385.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,972.70 : 43,478.52 = 10,252.65 : x
  2. Step 2: Convert to fraction form
    28,972.70/43,478.52 = 10,252.65/x
  3. Step 3: Cross multiply
    28,972.70x = 43,478.52 × 10,252.65
  4. Step 4: Simplify right side
    28,972.70x = 445,770,048.08
  5. Step 5: Solve for x
    x = 445,770,048.08/28,972.70
  6. Step 6: Final answer
    x = 15,385.87

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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.