Home / 28,768.32-39,697.74-16,020.54

Finding the Fourth Proportional to 28,768.32, 39,697.74 and 16,020.54

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Solution

The fourth proportional to 28,768.32, 39,697.74 and 16,020.54 is: 22,106.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768.32 : 39,697.74 = 16,020.54 : x
  2. Step 2: Convert to fraction form
    28,768.32/39,697.74 = 16,020.54/x
  3. Step 3: Cross multiply
    28,768.32x = 39,697.74 × 16,020.54
  4. Step 4: Simplify right side
    28,768.32x = 635,979,231.58
  5. Step 5: Solve for x
    x = 635,979,231.58/28,768.32
  6. Step 6: Final answer
    x = 22,106.93

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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.