Home / 25,188.22-37,782.33-11,321.02

Finding the Fourth Proportional to 25,188.22, 37,782.33 and 11,321.02

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Solution

The fourth proportional to 25,188.22, 37,782.33 and 11,321.02 is: 16,981.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,188.22 : 37,782.33 = 11,321.02 : x
  2. Step 2: Convert to fraction form
    25,188.22/37,782.33 = 11,321.02/x
  3. Step 3: Cross multiply
    25,188.22x = 37,782.33 × 11,321.02
  4. Step 4: Simplify right side
    25,188.22x = 427,734,513.58
  5. Step 5: Solve for x
    x = 427,734,513.58/25,188.22
  6. Step 6: Final answer
    x = 16,981.53

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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.