Home / 28,877.70-43,283.67-12,227.34

Finding the Fourth Proportional to 28,877.70, 43,283.67 and 12,227.34

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Solution

The fourth proportional to 28,877.70, 43,283.67 and 12,227.34 is: 18,327.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.70 : 43,283.67 = 12,227.34 : x
  2. Step 2: Convert to fraction form
    28,877.70/43,283.67 = 12,227.34/x
  3. Step 3: Cross multiply
    28,877.70x = 43,283.67 × 12,227.34
  4. Step 4: Simplify right side
    28,877.70x = 529,244,149.54
  5. Step 5: Solve for x
    x = 529,244,149.54/28,877.70
  6. Step 6: Final answer
    x = 18,327.09

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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.