Home / 28,850.08-39,813.24-16,913.60

Finding the Fourth Proportional to 28,850.08, 39,813.24 and 16,913.60

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Solution

The fourth proportional to 28,850.08, 39,813.24 and 16,913.60 is: 23,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.08 : 39,813.24 = 16,913.60 : x
  2. Step 2: Convert to fraction form
    28,850.08/39,813.24 = 16,913.60/x
  3. Step 3: Cross multiply
    28,850.08x = 39,813.24 × 16,913.60
  4. Step 4: Simplify right side
    28,850.08x = 673,385,216.06
  5. Step 5: Solve for x
    x = 673,385,216.06/28,850.08
  6. Step 6: Final answer
    x = 23,340.84

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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.