Home / 21,582.38-32,371.24-5,789

Finding the Fourth Proportional to 21,582.38, 32,371.24 and 5,789

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Solution

The fourth proportional to 21,582.38, 32,371.24 and 5,789 is: 8,682.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,582.38 : 32,371.24 = 5,789 : x
  2. Step 2: Convert to fraction form
    21,582.38/32,371.24 = 5,789/x
  3. Step 3: Cross multiply
    21,582.38x = 32,371.24 × 5,789
  4. Step 4: Simplify right side
    21,582.38x = 187,397,108.36
  5. Step 5: Solve for x
    x = 187,397,108.36/21,582.38
  6. Step 6: Final answer
    x = 8,682.88

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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.