Home / 28,984.02-39,997.89-16,409.94

Finding the Fourth Proportional to 28,984.02, 39,997.89 and 16,409.94

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Solution

The fourth proportional to 28,984.02, 39,997.89 and 16,409.94 is: 22,645.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984.02 : 39,997.89 = 16,409.94 : x
  2. Step 2: Convert to fraction form
    28,984.02/39,997.89 = 16,409.94/x
  3. Step 3: Cross multiply
    28,984.02x = 39,997.89 × 16,409.94
  4. Step 4: Simplify right side
    28,984.02x = 656,362,975.03
  5. Step 5: Solve for x
    x = 656,362,975.03/28,984.02
  6. Step 6: Final answer
    x = 22,645.68

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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.