Home / 17,620.08-26,421.52-8,725.12

Finding the Fourth Proportional to 17,620.08, 26,421.52 and 8,725.12

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Solution

The fourth proportional to 17,620.08, 26,421.52 and 8,725.12 is: 13,083.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620.08 : 26,421.52 = 8,725.12 : x
  2. Step 2: Convert to fraction form
    17,620.08/26,421.52 = 8,725.12/x
  3. Step 3: Cross multiply
    17,620.08x = 26,421.52 × 8,725.12
  4. Step 4: Simplify right side
    17,620.08x = 230,530,932.58
  5. Step 5: Solve for x
    x = 230,530,932.58/17,620.08
  6. Step 6: Final answer
    x = 13,083.42

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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.