Home / 28,246.64-38,982.21-16,310.48

Finding the Fourth Proportional to 28,246.64, 38,982.21 and 16,310.48

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Solution

The fourth proportional to 28,246.64, 38,982.21 and 16,310.48 is: 22,509.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.64 : 38,982.21 = 16,310.48 : x
  2. Step 2: Convert to fraction form
    28,246.64/38,982.21 = 16,310.48/x
  3. Step 3: Cross multiply
    28,246.64x = 38,982.21 × 16,310.48
  4. Step 4: Simplify right side
    28,246.64x = 635,818,556.56
  5. Step 5: Solve for x
    x = 635,818,556.56/28,246.64
  6. Step 6: Final answer
    x = 22,509.53

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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.