Home / 38,148.26-57,239.69-17,086.07

Finding the Fourth Proportional to 38,148.26, 57,239.69 and 17,086.07

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Solution

The fourth proportional to 38,148.26, 57,239.69 and 17,086.07 is: 25,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,148.26 : 57,239.69 = 17,086.07 : x
  2. Step 2: Convert to fraction form
    38,148.26/57,239.69 = 17,086.07/x
  3. Step 3: Cross multiply
    38,148.26x = 57,239.69 × 17,086.07
  4. Step 4: Simplify right side
    38,148.26x = 978,000,978.49
  5. Step 5: Solve for x
    x = 978,000,978.49/38,148.26
  6. Step 6: Final answer
    x = 25,636.85

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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.