Home / 22,814.09-31,505.18-21,571.68

Finding the Fourth Proportional to 22,814.09, 31,505.18 and 21,571.68

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Solution

The fourth proportional to 22,814.09, 31,505.18 and 21,571.68 is: 29,789.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,814.09 : 31,505.18 = 21,571.68 : x
  2. Step 2: Convert to fraction form
    22,814.09/31,505.18 = 21,571.68/x
  3. Step 3: Cross multiply
    22,814.09x = 31,505.18 × 21,571.68
  4. Step 4: Simplify right side
    22,814.09x = 679,619,553.44
  5. Step 5: Solve for x
    x = 679,619,553.44/22,814.09
  6. Step 6: Final answer
    x = 29,789.47

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1.5x scale

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.