Home / 28,331.60-39,101.64-17,727.44

Finding the Fourth Proportional to 28,331.60, 39,101.64 and 17,727.44

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Solution

The fourth proportional to 28,331.60, 39,101.64 and 17,727.44 is: 24,466.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331.60 : 39,101.64 = 17,727.44 : x
  2. Step 2: Convert to fraction form
    28,331.60/39,101.64 = 17,727.44/x
  3. Step 3: Cross multiply
    28,331.60x = 39,101.64 × 17,727.44
  4. Step 4: Simplify right side
    28,331.60x = 693,171,977.00
  5. Step 5: Solve for x
    x = 693,171,977.00/28,331.60
  6. Step 6: Final answer
    x = 24,466.39

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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.