Home / 29,288.52-43,944.30-12,861

Finding the Fourth Proportional to 29,288.52, 43,944.30 and 12,861

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Solution

The fourth proportional to 29,288.52, 43,944.30 and 12,861 is: 19,296.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,288.52 : 43,944.30 = 12,861 : x
  2. Step 2: Convert to fraction form
    29,288.52/43,944.30 = 12,861/x
  3. Step 3: Cross multiply
    29,288.52x = 43,944.30 × 12,861
  4. Step 4: Simplify right side
    29,288.52x = 565,167,642.30
  5. Step 5: Solve for x
    x = 565,167,642.30/29,288.52
  6. Step 6: Final answer
    x = 19,296.56

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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.