Home / 22,619.20-33,928.80-8,768.32

Finding the Fourth Proportional to 22,619.20, 33,928.80 and 8,768.32

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Solution

The fourth proportional to 22,619.20, 33,928.80 and 8,768.32 is: 13,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,619.20 : 33,928.80 = 8,768.32 : x
  2. Step 2: Convert to fraction form
    22,619.20/33,928.80 = 8,768.32/x
  3. Step 3: Cross multiply
    22,619.20x = 33,928.80 × 8,768.32
  4. Step 4: Simplify right side
    22,619.20x = 297,498,575.62
  5. Step 5: Solve for x
    x = 297,498,575.62/22,619.20
  6. Step 6: Final answer
    x = 13,152.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.