Home / 18,028.44-24,865.52-15,514.74

Finding the Fourth Proportional to 18,028.44, 24,865.52 and 15,514.74

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Solution

The fourth proportional to 18,028.44, 24,865.52 and 15,514.74 is: 21,398.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.44 : 24,865.52 = 15,514.74 : x
  2. Step 2: Convert to fraction form
    18,028.44/24,865.52 = 15,514.74/x
  3. Step 3: Cross multiply
    18,028.44x = 24,865.52 × 15,514.74
  4. Step 4: Simplify right side
    18,028.44x = 385,782,077.76
  5. Step 5: Solve for x
    x = 385,782,077.76/18,028.44
  6. Step 6: Final answer
    x = 21,398.53

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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.