Home / 28,660.75-39,553.59-16,085.50

Finding the Fourth Proportional to 28,660.75, 39,553.59 and 16,085.50

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Solution

The fourth proportional to 28,660.75, 39,553.59 and 16,085.50 is: 22,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,660.75 : 39,553.59 = 16,085.50 : x
  2. Step 2: Convert to fraction form
    28,660.75/39,553.59 = 16,085.50/x
  3. Step 3: Cross multiply
    28,660.75x = 39,553.59 × 16,085.50
  4. Step 4: Simplify right side
    28,660.75x = 636,239,271.95
  5. Step 5: Solve for x
    x = 636,239,271.95/28,660.75
  6. Step 6: Final answer
    x = 22,198.97

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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.