Home / 19,531.42-29,336.80-17,243.30

Finding the Fourth Proportional to 19,531.42, 29,336.80 and 17,243.30

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Solution

The fourth proportional to 19,531.42, 29,336.80 and 17,243.30 is: 25,899.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.42 : 29,336.80 = 17,243.30 : x
  2. Step 2: Convert to fraction form
    19,531.42/29,336.80 = 17,243.30/x
  3. Step 3: Cross multiply
    19,531.42x = 29,336.80 × 17,243.30
  4. Step 4: Simplify right side
    19,531.42x = 505,863,243.44
  5. Step 5: Solve for x
    x = 505,863,243.44/19,531.42
  6. Step 6: Final answer
    x = 25,899.97

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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.