Home / 28,336.68-39,100.50-17,003.88

Finding the Fourth Proportional to 28,336.68, 39,100.50 and 17,003.88

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Solution

The fourth proportional to 28,336.68, 39,100.50 and 17,003.88 is: 23,462.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336.68 : 39,100.50 = 17,003.88 : x
  2. Step 2: Convert to fraction form
    28,336.68/39,100.50 = 17,003.88/x
  3. Step 3: Cross multiply
    28,336.68x = 39,100.50 × 17,003.88
  4. Step 4: Simplify right side
    28,336.68x = 664,860,209.94
  5. Step 5: Solve for x
    x = 664,860,209.94/28,336.68
  6. Step 6: Final answer
    x = 23,462.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.