Home / 21,525.82-32,282.56-8,375.10

Finding the Fourth Proportional to 21,525.82, 32,282.56 and 8,375.10

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Solution

The fourth proportional to 21,525.82, 32,282.56 and 8,375.10 is: 12,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525.82 : 32,282.56 = 8,375.10 : x
  2. Step 2: Convert to fraction form
    21,525.82/32,282.56 = 8,375.10/x
  3. Step 3: Cross multiply
    21,525.82x = 32,282.56 × 8,375.10
  4. Step 4: Simplify right side
    21,525.82x = 270,369,668.26
  5. Step 5: Solve for x
    x = 270,369,668.26/21,525.82
  6. Step 6: Final answer
    x = 12,560.25

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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.