Home / 17,282.95-25,939.87-8,855.20

Finding the Fourth Proportional to 17,282.95, 25,939.87 and 8,855.20

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Solution

The fourth proportional to 17,282.95, 25,939.87 and 8,855.20 is: 13,290.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,282.95 : 25,939.87 = 8,855.20 : x
  2. Step 2: Convert to fraction form
    17,282.95/25,939.87 = 8,855.20/x
  3. Step 3: Cross multiply
    17,282.95x = 25,939.87 × 8,855.20
  4. Step 4: Simplify right side
    17,282.95x = 229,702,758.96
  5. Step 5: Solve for x
    x = 229,702,758.96/17,282.95
  6. Step 6: Final answer
    x = 13,290.72

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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.