Home / 28,410.84-39,205.89-16,474.68

Finding the Fourth Proportional to 28,410.84, 39,205.89 and 16,474.68

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Solution

The fourth proportional to 28,410.84, 39,205.89 and 16,474.68 is: 22,734.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410.84 : 39,205.89 = 16,474.68 : x
  2. Step 2: Convert to fraction form
    28,410.84/39,205.89 = 16,474.68/x
  3. Step 3: Cross multiply
    28,410.84x = 39,205.89 × 16,474.68
  4. Step 4: Simplify right side
    28,410.84x = 645,904,491.87
  5. Step 5: Solve for x
    x = 645,904,491.87/28,410.84
  6. Step 6: Final answer
    x = 22,734.44

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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.