Home / 28,770.92-43,181.12-11,253.05

Finding the Fourth Proportional to 28,770.92, 43,181.12 and 11,253.05

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Solution

The fourth proportional to 28,770.92, 43,181.12 and 11,253.05 is: 16,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,770.92 : 43,181.12 = 11,253.05 : x
  2. Step 2: Convert to fraction form
    28,770.92/43,181.12 = 11,253.05/x
  3. Step 3: Cross multiply
    28,770.92x = 43,181.12 × 11,253.05
  4. Step 4: Simplify right side
    28,770.92x = 485,919,302.42
  5. Step 5: Solve for x
    x = 485,919,302.42/28,770.92
  6. Step 6: Final answer
    x = 16,889.25

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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.