Home / 21,650.48-32,474.49-5,855.28

Finding the Fourth Proportional to 21,650.48, 32,474.49 and 5,855.28

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Solution

The fourth proportional to 21,650.48, 32,474.49 and 5,855.28 is: 8,782.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,650.48 : 32,474.49 = 5,855.28 : x
  2. Step 2: Convert to fraction form
    21,650.48/32,474.49 = 5,855.28/x
  3. Step 3: Cross multiply
    21,650.48x = 32,474.49 × 5,855.28
  4. Step 4: Simplify right side
    21,650.48x = 190,147,231.81
  5. Step 5: Solve for x
    x = 190,147,231.81/21,650.48
  6. Step 6: Final answer
    x = 8,782.59

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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.