Home / 28,088.56-38,758.26-16,147.54

Finding the Fourth Proportional to 28,088.56, 38,758.26 and 16,147.54

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Solution

The fourth proportional to 28,088.56, 38,758.26 and 16,147.54 is: 22,281.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088.56 : 38,758.26 = 16,147.54 : x
  2. Step 2: Convert to fraction form
    28,088.56/38,758.26 = 16,147.54/x
  3. Step 3: Cross multiply
    28,088.56x = 38,758.26 × 16,147.54
  4. Step 4: Simplify right side
    28,088.56x = 625,850,553.68
  5. Step 5: Solve for x
    x = 625,850,553.68/28,088.56
  6. Step 6: Final answer
    x = 22,281.33

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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.