Home / 21,582.46-29,786.07-12,632.86

Finding the Fourth Proportional to 21,582.46, 29,786.07 and 12,632.86

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Solution

The fourth proportional to 21,582.46, 29,786.07 and 12,632.86 is: 17,434.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,582.46 : 29,786.07 = 12,632.86 : x
  2. Step 2: Convert to fraction form
    21,582.46/29,786.07 = 12,632.86/x
  3. Step 3: Cross multiply
    21,582.46x = 29,786.07 × 12,632.86
  4. Step 4: Simplify right side
    21,582.46x = 376,283,252.26
  5. Step 5: Solve for x
    x = 376,283,252.26/21,582.46
  6. Step 6: Final answer
    x = 17,434.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.