Home / 28,024.44-38,673.96-15,449.64

Finding the Fourth Proportional to 28,024.44, 38,673.96 and 15,449.64

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Solution

The fourth proportional to 28,024.44, 38,673.96 and 15,449.64 is: 21,320.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024.44 : 38,673.96 = 15,449.64 : x
  2. Step 2: Convert to fraction form
    28,024.44/38,673.96 = 15,449.64/x
  3. Step 3: Cross multiply
    28,024.44x = 38,673.96 × 15,449.64
  4. Step 4: Simplify right side
    28,024.44x = 597,498,759.37
  5. Step 5: Solve for x
    x = 597,498,759.37/28,024.44
  6. Step 6: Final answer
    x = 21,320.63

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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.