Home / 28,252.46-38,995.45-16,322.72

Finding the Fourth Proportional to 28,252.46, 38,995.45 and 16,322.72

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Solution

The fourth proportional to 28,252.46, 38,995.45 and 16,322.72 is: 22,529.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252.46 : 38,995.45 = 16,322.72 : x
  2. Step 2: Convert to fraction form
    28,252.46/38,995.45 = 16,322.72/x
  3. Step 3: Cross multiply
    28,252.46x = 38,995.45 × 16,322.72
  4. Step 4: Simplify right side
    28,252.46x = 636,511,811.62
  5. Step 5: Solve for x
    x = 636,511,811.62/28,252.46
  6. Step 6: Final answer
    x = 22,529.43

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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.