Home / 21,556.75-32,336.74-5,761.42

Finding the Fourth Proportional to 21,556.75, 32,336.74 and 5,761.42

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Solution

The fourth proportional to 21,556.75, 32,336.74 and 5,761.42 is: 8,642.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556.75 : 32,336.74 = 5,761.42 : x
  2. Step 2: Convert to fraction form
    21,556.75/32,336.74 = 5,761.42/x
  3. Step 3: Cross multiply
    21,556.75x = 32,336.74 × 5,761.42
  4. Step 4: Simplify right side
    21,556.75x = 186,305,559.23
  5. Step 5: Solve for x
    x = 186,305,559.23/21,556.75
  6. Step 6: Final answer
    x = 8,642.56

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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.