Home / 21,709.98-29,923.68-19,827.94

Finding the Fourth Proportional to 21,709.98, 29,923.68 and 19,827.94

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Solution

The fourth proportional to 21,709.98, 29,923.68 and 19,827.94 is: 27,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,709.98 : 29,923.68 = 19,827.94 : x
  2. Step 2: Convert to fraction form
    21,709.98/29,923.68 = 19,827.94/x
  3. Step 3: Cross multiply
    21,709.98x = 29,923.68 × 19,827.94
  4. Step 4: Simplify right side
    21,709.98x = 593,324,931.62
  5. Step 5: Solve for x
    x = 593,324,931.62/21,709.98
  6. Step 6: Final answer
    x = 27,329.59

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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.