Home / 28,961.72-43,446.15-10,237.89

Finding the Fourth Proportional to 28,961.72, 43,446.15 and 10,237.89

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Solution

The fourth proportional to 28,961.72, 43,446.15 and 10,237.89 is: 15,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961.72 : 43,446.15 = 10,237.89 : x
  2. Step 2: Convert to fraction form
    28,961.72/43,446.15 = 10,237.89/x
  3. Step 3: Cross multiply
    28,961.72x = 43,446.15 × 10,237.89
  4. Step 4: Simplify right side
    28,961.72x = 444,796,904.62
  5. Step 5: Solve for x
    x = 444,796,904.62/28,961.72
  6. Step 6: Final answer
    x = 15,358.10

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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.