Home / 28,659.87-39,552.44-16,085.43

Finding the Fourth Proportional to 28,659.87, 39,552.44 and 16,085.43

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Solution

The fourth proportional to 28,659.87, 39,552.44 and 16,085.43 is: 22,198.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659.87 : 39,552.44 = 16,085.43 : x
  2. Step 2: Convert to fraction form
    28,659.87/39,552.44 = 16,085.43/x
  3. Step 3: Cross multiply
    28,659.87x = 39,552.44 × 16,085.43
  4. Step 4: Simplify right side
    28,659.87x = 636,217,924.52
  5. Step 5: Solve for x
    x = 636,217,924.52/28,659.87
  6. Step 6: Final answer
    x = 22,198.91

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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.