Home / 28,836.78-39,794.94-16,090.74

Finding the Fourth Proportional to 28,836.78, 39,794.94 and 16,090.74

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Solution

The fourth proportional to 28,836.78, 39,794.94 and 16,090.74 is: 22,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.78 : 39,794.94 = 16,090.74 : x
  2. Step 2: Convert to fraction form
    28,836.78/39,794.94 = 16,090.74/x
  3. Step 3: Cross multiply
    28,836.78x = 39,794.94 × 16,090.74
  4. Step 4: Simplify right side
    28,836.78x = 640,330,032.86
  5. Step 5: Solve for x
    x = 640,330,032.86/28,836.78
  6. Step 6: Final answer
    x = 22,205.32

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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.