Home / 21,631.72-32,446.68-11,833.08

Finding the Fourth Proportional to 21,631.72, 32,446.68 and 11,833.08

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Solution

The fourth proportional to 21,631.72, 32,446.68 and 11,833.08 is: 17,749.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,631.72 : 32,446.68 = 11,833.08 : x
  2. Step 2: Convert to fraction form
    21,631.72/32,446.68 = 11,833.08/x
  3. Step 3: Cross multiply
    21,631.72x = 32,446.68 × 11,833.08
  4. Step 4: Simplify right side
    21,631.72x = 383,944,160.17
  5. Step 5: Solve for x
    x = 383,944,160.17/21,631.72
  6. Step 6: Final answer
    x = 17,749.13

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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.