Home / 28,664.68-39,555.09-16,087

Finding the Fourth Proportional to 28,664.68, 39,555.09 and 16,087

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Solution

The fourth proportional to 28,664.68, 39,555.09 and 16,087 is: 22,198.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664.68 : 39,555.09 = 16,087 : x
  2. Step 2: Convert to fraction form
    28,664.68/39,555.09 = 16,087/x
  3. Step 3: Cross multiply
    28,664.68x = 39,555.09 × 16,087
  4. Step 4: Simplify right side
    28,664.68x = 636,322,732.83
  5. Step 5: Solve for x
    x = 636,322,732.83/28,664.68
  6. Step 6: Final answer
    x = 22,198.84

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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.