Home / 21,536.54-32,302.22-5,742.75

Finding the Fourth Proportional to 21,536.54, 32,302.22 and 5,742.75

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Solution

The fourth proportional to 21,536.54, 32,302.22 and 5,742.75 is: 8,613.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,536.54 : 32,302.22 = 5,742.75 : x
  2. Step 2: Convert to fraction form
    21,536.54/32,302.22 = 5,742.75/x
  3. Step 3: Cross multiply
    21,536.54x = 32,302.22 × 5,742.75
  4. Step 4: Simplify right side
    21,536.54x = 185,503,545.19
  5. Step 5: Solve for x
    x = 185,503,545.19/21,536.54
  6. Step 6: Final answer
    x = 8,613.44

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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.