Home / 28,655.44-39,544.81-16,080.19

Finding the Fourth Proportional to 28,655.44, 39,544.81 and 16,080.19

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Solution

The fourth proportional to 28,655.44, 39,544.81 and 16,080.19 is: 22,190.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,655.44 : 39,544.81 = 16,080.19 : x
  2. Step 2: Convert to fraction form
    28,655.44/39,544.81 = 16,080.19/x
  3. Step 3: Cross multiply
    28,655.44x = 39,544.81 × 16,080.19
  4. Step 4: Simplify right side
    28,655.44x = 635,887,919.25
  5. Step 5: Solve for x
    x = 635,887,919.25/28,655.44
  6. Step 6: Final answer
    x = 22,190.83

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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.