Home / 28,251.24-42,388.02-10,725.72

Finding the Fourth Proportional to 28,251.24, 42,388.02 and 10,725.72

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Solution

The fourth proportional to 28,251.24, 42,388.02 and 10,725.72 is: 16,092.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,251.24 : 42,388.02 = 10,725.72 : x
  2. Step 2: Convert to fraction form
    28,251.24/42,388.02 = 10,725.72/x
  3. Step 3: Cross multiply
    28,251.24x = 42,388.02 × 10,725.72
  4. Step 4: Simplify right side
    28,251.24x = 454,642,033.87
  5. Step 5: Solve for x
    x = 454,642,033.87/28,251.24
  6. Step 6: Final answer
    x = 16,092.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.