Home / 17,089.78-25,634.67-15,586.42

Finding the Fourth Proportional to 17,089.78, 25,634.67 and 15,586.42

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Solution

The fourth proportional to 17,089.78, 25,634.67 and 15,586.42 is: 23,379.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,089.78 : 25,634.67 = 15,586.42 : x
  2. Step 2: Convert to fraction form
    17,089.78/25,634.67 = 15,586.42/x
  3. Step 3: Cross multiply
    17,089.78x = 25,634.67 × 15,586.42
  4. Step 4: Simplify right side
    17,089.78x = 399,552,733.18
  5. Step 5: Solve for x
    x = 399,552,733.18/17,089.78
  6. Step 6: Final answer
    x = 23,379.63

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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.