Home / 28,936.47-39,933.08-16,189.23

Finding the Fourth Proportional to 28,936.47, 39,933.08 and 16,189.23

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Solution

The fourth proportional to 28,936.47, 39,933.08 and 16,189.23 is: 22,341.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.47 : 39,933.08 = 16,189.23 : x
  2. Step 2: Convert to fraction form
    28,936.47/39,933.08 = 16,189.23/x
  3. Step 3: Cross multiply
    28,936.47x = 39,933.08 × 16,189.23
  4. Step 4: Simplify right side
    28,936.47x = 646,485,816.73
  5. Step 5: Solve for x
    x = 646,485,816.73/28,936.47
  6. Step 6: Final answer
    x = 22,341.56

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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.