Home / 29,285.98-43,930.91-11,515.24

Finding the Fourth Proportional to 29,285.98, 43,930.91 and 11,515.24

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Solution

The fourth proportional to 29,285.98, 43,930.91 and 11,515.24 is: 17,273.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,285.98 : 43,930.91 = 11,515.24 : x
  2. Step 2: Convert to fraction form
    29,285.98/43,930.91 = 11,515.24/x
  3. Step 3: Cross multiply
    29,285.98x = 43,930.91 × 11,515.24
  4. Step 4: Simplify right side
    29,285.98x = 505,874,867.44
  5. Step 5: Solve for x
    x = 505,874,867.44/29,285.98
  6. Step 6: Final answer
    x = 17,273.62

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1.5x scale

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.