Home / 28,069.26-38,722.20-17,309.22

Finding the Fourth Proportional to 28,069.26, 38,722.20 and 17,309.22

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Solution

The fourth proportional to 28,069.26, 38,722.20 and 17,309.22 is: 23,878.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,069.26 : 38,722.20 = 17,309.22 : x
  2. Step 2: Convert to fraction form
    28,069.26/38,722.20 = 17,309.22/x
  3. Step 3: Cross multiply
    28,069.26x = 38,722.20 × 17,309.22
  4. Step 4: Simplify right side
    28,069.26x = 670,251,078.68
  5. Step 5: Solve for x
    x = 670,251,078.68/28,069.26
  6. Step 6: Final answer
    x = 23,878.47

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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.