Home / 21,760.62-29,834.09-21,366.96

Finding the Fourth Proportional to 21,760.62, 29,834.09 and 21,366.96

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Solution

The fourth proportional to 21,760.62, 29,834.09 and 21,366.96 is: 29,294.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,760.62 : 29,834.09 = 21,366.96 : x
  2. Step 2: Convert to fraction form
    21,760.62/29,834.09 = 21,366.96/x
  3. Step 3: Cross multiply
    21,760.62x = 29,834.09 × 21,366.96
  4. Step 4: Simplify right side
    21,760.62x = 637,463,935.67
  5. Step 5: Solve for x
    x = 637,463,935.67/21,760.62
  6. Step 6: Final answer
    x = 29,294.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.