Home / 21,604.26-29,823.86-15,236.04

Finding the Fourth Proportional to 21,604.26, 29,823.86 and 15,236.04

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Solution

The fourth proportional to 21,604.26, 29,823.86 and 15,236.04 is: 21,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,604.26 : 29,823.86 = 15,236.04 : x
  2. Step 2: Convert to fraction form
    21,604.26/29,823.86 = 15,236.04/x
  3. Step 3: Cross multiply
    21,604.26x = 29,823.86 × 15,236.04
  4. Step 4: Simplify right side
    21,604.26x = 454,397,523.91
  5. Step 5: Solve for x
    x = 454,397,523.91/21,604.26
  6. Step 6: Final answer
    x = 21,032.77

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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.