Home / 28,091.70-42,137.55-16,233.30

Finding the Fourth Proportional to 28,091.70, 42,137.55 and 16,233.30

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Solution

The fourth proportional to 28,091.70, 42,137.55 and 16,233.30 is: 24,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,091.70 : 42,137.55 = 16,233.30 : x
  2. Step 2: Convert to fraction form
    28,091.70/42,137.55 = 16,233.30/x
  3. Step 3: Cross multiply
    28,091.70x = 42,137.55 × 16,233.30
  4. Step 4: Simplify right side
    28,091.70x = 684,031,490.42
  5. Step 5: Solve for x
    x = 684,031,490.42/28,091.70
  6. Step 6: Final answer
    x = 24,349.95

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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.