Home / 23,021.62-34,530.87-8,979.05

Finding the Fourth Proportional to 23,021.62, 34,530.87 and 8,979.05

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Solution

The fourth proportional to 23,021.62, 34,530.87 and 8,979.05 is: 13,467.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,021.62 : 34,530.87 = 8,979.05 : x
  2. Step 2: Convert to fraction form
    23,021.62/34,530.87 = 8,979.05/x
  3. Step 3: Cross multiply
    23,021.62x = 34,530.87 × 8,979.05
  4. Step 4: Simplify right side
    23,021.62x = 310,054,528.27
  5. Step 5: Solve for x
    x = 310,054,528.27/23,021.62
  6. Step 6: Final answer
    x = 13,467.97

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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.