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Finding the Fourth Proportional to 17,215.29, 25,823.22 and 5,369.38

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Solution

The fourth proportional to 17,215.29, 25,823.22 and 5,369.38 is: 8,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215.29 : 25,823.22 = 5,369.38 : x
  2. Step 2: Convert to fraction form
    17,215.29/25,823.22 = 5,369.38/x
  3. Step 3: Cross multiply
    17,215.29x = 25,823.22 × 5,369.38
  4. Step 4: Simplify right side
    17,215.29x = 138,654,525.04
  5. Step 5: Solve for x
    x = 138,654,525.04/17,215.29
  6. Step 6: Final answer
    x = 8,054.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.