Home / 28,352.92-39,122.15-17,028.66

Finding the Fourth Proportional to 28,352.92, 39,122.15 and 17,028.66

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Solution

The fourth proportional to 28,352.92, 39,122.15 and 17,028.66 is: 23,496.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352.92 : 39,122.15 = 17,028.66 : x
  2. Step 2: Convert to fraction form
    28,352.92/39,122.15 = 17,028.66/x
  3. Step 3: Cross multiply
    28,352.92x = 39,122.15 × 17,028.66
  4. Step 4: Simplify right side
    28,352.92x = 666,197,833.39
  5. Step 5: Solve for x
    x = 666,197,833.39/28,352.92
  6. Step 6: Final answer
    x = 23,496.62

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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.