Home / 20,169.36-30,275.82-15,292.26

Finding the Fourth Proportional to 20,169.36, 30,275.82 and 15,292.26

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Solution

The fourth proportional to 20,169.36, 30,275.82 and 15,292.26 is: 22,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169.36 : 30,275.82 = 15,292.26 : x
  2. Step 2: Convert to fraction form
    20,169.36/30,275.82 = 15,292.26/x
  3. Step 3: Cross multiply
    20,169.36x = 30,275.82 × 15,292.26
  4. Step 4: Simplify right side
    20,169.36x = 462,985,711.15
  5. Step 5: Solve for x
    x = 462,985,711.15/20,169.36
  6. Step 6: Final answer
    x = 22,954.90

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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.