Home / 25,640.26-35,369.85-17,686.42

Finding the Fourth Proportional to 25,640.26, 35,369.85 and 17,686.42

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Solution

The fourth proportional to 25,640.26, 35,369.85 and 17,686.42 is: 24,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,640.26 : 35,369.85 = 17,686.42 : x
  2. Step 2: Convert to fraction form
    25,640.26/35,369.85 = 17,686.42/x
  3. Step 3: Cross multiply
    25,640.26x = 35,369.85 × 17,686.42
  4. Step 4: Simplify right side
    25,640.26x = 625,566,022.44
  5. Step 5: Solve for x
    x = 625,566,022.44/25,640.26
  6. Step 6: Final answer
    x = 24,397.80

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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.