Home / 28,535.60-39,380.32-17,636.16

Finding the Fourth Proportional to 28,535.60, 39,380.32 and 17,636.16

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Solution

The fourth proportional to 28,535.60, 39,380.32 and 17,636.16 is: 24,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,535.60 : 39,380.32 = 17,636.16 : x
  2. Step 2: Convert to fraction form
    28,535.60/39,380.32 = 17,636.16/x
  3. Step 3: Cross multiply
    28,535.60x = 39,380.32 × 17,636.16
  4. Step 4: Simplify right side
    28,535.60x = 694,517,624.37
  5. Step 5: Solve for x
    x = 694,517,624.37/28,535.60
  6. Step 6: Final answer
    x = 24,338.64

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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.