Home / 28,846.28-39,809.24-16,270.76

Finding the Fourth Proportional to 28,846.28, 39,809.24 and 16,270.76

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Solution

The fourth proportional to 28,846.28, 39,809.24 and 16,270.76 is: 22,454.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,846.28 : 39,809.24 = 16,270.76 : x
  2. Step 2: Convert to fraction form
    28,846.28/39,809.24 = 16,270.76/x
  3. Step 3: Cross multiply
    28,846.28x = 39,809.24 × 16,270.76
  4. Step 4: Simplify right side
    28,846.28x = 647,726,589.82
  5. Step 5: Solve for x
    x = 647,726,589.82/28,846.28
  6. Step 6: Final answer
    x = 22,454.42

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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.