Home / 21,771.42-32,613.06-18,251.44

Finding the Fourth Proportional to 21,771.42, 32,613.06 and 18,251.44

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Solution

The fourth proportional to 21,771.42, 32,613.06 and 18,251.44 is: 27,340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,771.42 : 32,613.06 = 18,251.44 : x
  2. Step 2: Convert to fraction form
    21,771.42/32,613.06 = 18,251.44/x
  3. Step 3: Cross multiply
    21,771.42x = 32,613.06 × 18,251.44
  4. Step 4: Simplify right side
    21,771.42x = 595,235,307.81
  5. Step 5: Solve for x
    x = 595,235,307.81/21,771.42
  6. Step 6: Final answer
    x = 27,340.22

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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.