Home / 28,689.92-39,591.84-16,114.64

Finding the Fourth Proportional to 28,689.92, 39,591.84 and 16,114.64

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Solution

The fourth proportional to 28,689.92, 39,591.84 and 16,114.64 is: 22,238.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689.92 : 39,591.84 = 16,114.64 : x
  2. Step 2: Convert to fraction form
    28,689.92/39,591.84 = 16,114.64/x
  3. Step 3: Cross multiply
    28,689.92x = 39,591.84 × 16,114.64
  4. Step 4: Simplify right side
    28,689.92x = 638,008,248.54
  5. Step 5: Solve for x
    x = 638,008,248.54/28,689.92
  6. Step 6: Final answer
    x = 22,238.06

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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.