Home / 18,934.12-28,503.43-17,029

Finding the Fourth Proportional to 18,934.12, 28,503.43 and 17,029

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Solution

The fourth proportional to 18,934.12, 28,503.43 and 17,029 is: 25,635.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.12 : 28,503.43 = 17,029 : x
  2. Step 2: Convert to fraction form
    18,934.12/28,503.43 = 17,029/x
  3. Step 3: Cross multiply
    18,934.12x = 28,503.43 × 17,029
  4. Step 4: Simplify right side
    18,934.12x = 485,384,909.47
  5. Step 5: Solve for x
    x = 485,384,909.47/18,934.12
  6. Step 6: Final answer
    x = 25,635.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.