Home / 28,434.60-39,249.56-17,110.44

Finding the Fourth Proportional to 28,434.60, 39,249.56 and 17,110.44

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Solution

The fourth proportional to 28,434.60, 39,249.56 and 17,110.44 is: 23,618.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,434.60 : 39,249.56 = 17,110.44 : x
  2. Step 2: Convert to fraction form
    28,434.60/39,249.56 = 17,110.44/x
  3. Step 3: Cross multiply
    28,434.60x = 39,249.56 × 17,110.44
  4. Step 4: Simplify right side
    28,434.60x = 671,577,241.41
  5. Step 5: Solve for x
    x = 671,577,241.41/28,434.60
  6. Step 6: Final answer
    x = 23,618.31

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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.