Home / 28,651.44-39,539.04-16,076.16

Finding the Fourth Proportional to 28,651.44, 39,539.04 and 16,076.16

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Solution

The fourth proportional to 28,651.44, 39,539.04 and 16,076.16 is: 22,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,651.44 : 39,539.04 = 16,076.16 : x
  2. Step 2: Convert to fraction form
    28,651.44/39,539.04 = 16,076.16/x
  3. Step 3: Cross multiply
    28,651.44x = 39,539.04 × 16,076.16
  4. Step 4: Simplify right side
    28,651.44x = 635,635,933.29
  5. Step 5: Solve for x
    x = 635,635,933.29/28,651.44
  6. Step 6: Final answer
    x = 22,185.13

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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.