Home / 28,363.08-39,144.72-16,268.28

Finding the Fourth Proportional to 28,363.08, 39,144.72 and 16,268.28

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Solution

The fourth proportional to 28,363.08, 39,144.72 and 16,268.28 is: 22,452.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,363.08 : 39,144.72 = 16,268.28 : x
  2. Step 2: Convert to fraction form
    28,363.08/39,144.72 = 16,268.28/x
  3. Step 3: Cross multiply
    28,363.08x = 39,144.72 × 16,268.28
  4. Step 4: Simplify right side
    28,363.08x = 636,817,265.48
  5. Step 5: Solve for x
    x = 636,817,265.48/28,363.08
  6. Step 6: Final answer
    x = 22,452.33

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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.