Home / 28,753.70-39,677.38-16,177.64

Finding the Fourth Proportional to 28,753.70, 39,677.38 and 16,177.64

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Solution

The fourth proportional to 28,753.70, 39,677.38 and 16,177.64 is: 22,323.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,753.70 : 39,677.38 = 16,177.64 : x
  2. Step 2: Convert to fraction form
    28,753.70/39,677.38 = 16,177.64/x
  3. Step 3: Cross multiply
    28,753.70x = 39,677.38 × 16,177.64
  4. Step 4: Simplify right side
    28,753.70x = 641,886,130.95
  5. Step 5: Solve for x
    x = 641,886,130.95/28,753.70
  6. Step 6: Final answer
    x = 22,323.61

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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.