Home / 21,556.74-32,336.94-5,764.14

Finding the Fourth Proportional to 21,556.74, 32,336.94 and 5,764.14

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Solution

The fourth proportional to 21,556.74, 32,336.94 and 5,764.14 is: 8,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556.74 : 32,336.94 = 5,764.14 : x
  2. Step 2: Convert to fraction form
    21,556.74/32,336.94 = 5,764.14/x
  3. Step 3: Cross multiply
    21,556.74x = 32,336.94 × 5,764.14
  4. Step 4: Simplify right side
    21,556.74x = 186,394,649.33
  5. Step 5: Solve for x
    x = 186,394,649.33/21,556.74
  6. Step 6: Final answer
    x = 8,646.70

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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.