Home / 22,162.68-30,575.34-15,452.28

Finding the Fourth Proportional to 22,162.68, 30,575.34 and 15,452.28

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Solution

The fourth proportional to 22,162.68, 30,575.34 and 15,452.28 is: 21,317.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,162.68 : 30,575.34 = 15,452.28 : x
  2. Step 2: Convert to fraction form
    22,162.68/30,575.34 = 15,452.28/x
  3. Step 3: Cross multiply
    22,162.68x = 30,575.34 × 15,452.28
  4. Step 4: Simplify right side
    22,162.68x = 472,458,714.78
  5. Step 5: Solve for x
    x = 472,458,714.78/22,162.68
  6. Step 6: Final answer
    x = 21,317.76

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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.