Home / 28,083.82-42,137.96-16,397.04

Finding the Fourth Proportional to 28,083.82, 42,137.96 and 16,397.04

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Solution

The fourth proportional to 28,083.82, 42,137.96 and 16,397.04 is: 24,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083.82 : 42,137.96 = 16,397.04 : x
  2. Step 2: Convert to fraction form
    28,083.82/42,137.96 = 16,397.04/x
  3. Step 3: Cross multiply
    28,083.82x = 42,137.96 × 16,397.04
  4. Step 4: Simplify right side
    28,083.82x = 690,937,815.64
  5. Step 5: Solve for x
    x = 690,937,815.64/28,083.82
  6. Step 6: Final answer
    x = 24,602.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.