Home / 21,559.60-32,326.16-8,396.64

Finding the Fourth Proportional to 21,559.60, 32,326.16 and 8,396.64

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Solution

The fourth proportional to 21,559.60, 32,326.16 and 8,396.64 is: 12,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559.60 : 32,326.16 = 8,396.64 : x
  2. Step 2: Convert to fraction form
    21,559.60/32,326.16 = 8,396.64/x
  3. Step 3: Cross multiply
    21,559.60x = 32,326.16 × 8,396.64
  4. Step 4: Simplify right side
    21,559.60x = 271,431,128.10
  5. Step 5: Solve for x
    x = 271,431,128.10/21,559.60
  6. Step 6: Final answer
    x = 12,589.80

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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.