Home / 28,600.38-39,436.55-17,977.02

Finding the Fourth Proportional to 28,600.38, 39,436.55 and 17,977.02

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Solution

The fourth proportional to 28,600.38, 39,436.55 and 17,977.02 is: 24,788.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,600.38 : 39,436.55 = 17,977.02 : x
  2. Step 2: Convert to fraction form
    28,600.38/39,436.55 = 17,977.02/x
  3. Step 3: Cross multiply
    28,600.38x = 39,436.55 × 17,977.02
  4. Step 4: Simplify right side
    28,600.38x = 708,951,648.08
  5. Step 5: Solve for x
    x = 708,951,648.08/28,600.38
  6. Step 6: Final answer
    x = 24,788.19

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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.