Home / 28,865.35-39,843.26-16,933.51

Finding the Fourth Proportional to 28,865.35, 39,843.26 and 16,933.51

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Solution

The fourth proportional to 28,865.35, 39,843.26 and 16,933.51 is: 23,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865.35 : 39,843.26 = 16,933.51 : x
  2. Step 2: Convert to fraction form
    28,865.35/39,843.26 = 16,933.51/x
  3. Step 3: Cross multiply
    28,865.35x = 39,843.26 × 16,933.51
  4. Step 4: Simplify right side
    28,865.35x = 674,686,241.64
  5. Step 5: Solve for x
    x = 674,686,241.64/28,865.35
  6. Step 6: Final answer
    x = 23,373.57

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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.