Home / 28,850.68-39,813.94-16,275.44

Finding the Fourth Proportional to 28,850.68, 39,813.94 and 16,275.44

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Solution

The fourth proportional to 28,850.68, 39,813.94 and 16,275.44 is: 22,460.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.68 : 39,813.94 = 16,275.44 : x
  2. Step 2: Convert to fraction form
    28,850.68/39,813.94 = 16,275.44/x
  3. Step 3: Cross multiply
    28,850.68x = 39,813.94 × 16,275.44
  4. Step 4: Simplify right side
    28,850.68x = 647,989,391.63
  5. Step 5: Solve for x
    x = 647,989,391.63/28,850.68
  6. Step 6: Final answer
    x = 22,460.11

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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.