Home / 23,138.88-34,708.50-7,556.55

Finding the Fourth Proportional to 23,138.88, 34,708.50 and 7,556.55

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Solution

The fourth proportional to 23,138.88, 34,708.50 and 7,556.55 is: 11,334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,138.88 : 34,708.50 = 7,556.55 : x
  2. Step 2: Convert to fraction form
    23,138.88/34,708.50 = 7,556.55/x
  3. Step 3: Cross multiply
    23,138.88x = 34,708.50 × 7,556.55
  4. Step 4: Simplify right side
    23,138.88x = 262,276,515.68
  5. Step 5: Solve for x
    x = 262,276,515.68/23,138.88
  6. Step 6: Final answer
    x = 11,334.88

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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.