Home / 21,269.25-29,389.13-16,828.27

Finding the Fourth Proportional to 21,269.25, 29,389.13 and 16,828.27

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Solution

The fourth proportional to 21,269.25, 29,389.13 and 16,828.27 is: 23,252.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,269.25 : 29,389.13 = 16,828.27 : x
  2. Step 2: Convert to fraction form
    21,269.25/29,389.13 = 16,828.27/x
  3. Step 3: Cross multiply
    21,269.25x = 29,389.13 × 16,828.27
  4. Step 4: Simplify right side
    21,269.25x = 494,568,204.04
  5. Step 5: Solve for x
    x = 494,568,204.04/21,269.25
  6. Step 6: Final answer
    x = 23,252.73

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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.