Home / 28,515.26-39,354.44-17,190.48

Finding the Fourth Proportional to 28,515.26, 39,354.44 and 17,190.48

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Solution

The fourth proportional to 28,515.26, 39,354.44 and 17,190.48 is: 23,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515.26 : 39,354.44 = 17,190.48 : x
  2. Step 2: Convert to fraction form
    28,515.26/39,354.44 = 17,190.48/x
  3. Step 3: Cross multiply
    28,515.26x = 39,354.44 × 17,190.48
  4. Step 4: Simplify right side
    28,515.26x = 676,521,650.69
  5. Step 5: Solve for x
    x = 676,521,650.69/28,515.26
  6. Step 6: Final answer
    x = 23,724.90

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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.