Home / 28,651.50-39,539.34-16,076.52

Finding the Fourth Proportional to 28,651.50, 39,539.34 and 16,076.52

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Solution

The fourth proportional to 28,651.50, 39,539.34 and 16,076.52 is: 22,185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,651.50 : 39,539.34 = 16,076.52 : x
  2. Step 2: Convert to fraction form
    28,651.50/39,539.34 = 16,076.52/x
  3. Step 3: Cross multiply
    28,651.50x = 39,539.34 × 16,076.52
  4. Step 4: Simplify right side
    28,651.50x = 635,654,990.30
  5. Step 5: Solve for x
    x = 635,654,990.30/28,651.50
  6. Step 6: Final answer
    x = 22,185.75

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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.