Home / 28,175.50-38,882.46-15,600.52

Finding the Fourth Proportional to 28,175.50, 38,882.46 and 15,600.52

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Solution

The fourth proportional to 28,175.50, 38,882.46 and 15,600.52 is: 21,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175.50 : 38,882.46 = 15,600.52 : x
  2. Step 2: Convert to fraction form
    28,175.50/38,882.46 = 15,600.52/x
  3. Step 3: Cross multiply
    28,175.50x = 38,882.46 × 15,600.52
  4. Step 4: Simplify right side
    28,175.50x = 606,586,594.88
  5. Step 5: Solve for x
    x = 606,586,594.88/28,175.50
  6. Step 6: Final answer
    x = 21,528.87

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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.