Home / 28,874.72-43,316.40-12,234.80

Finding the Fourth Proportional to 28,874.72, 43,316.40 and 12,234.80

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Solution

The fourth proportional to 28,874.72, 43,316.40 and 12,234.80 is: 18,354.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.72 : 43,316.40 = 12,234.80 : x
  2. Step 2: Convert to fraction form
    28,874.72/43,316.40 = 12,234.80/x
  3. Step 3: Cross multiply
    28,874.72x = 43,316.40 × 12,234.80
  4. Step 4: Simplify right side
    28,874.72x = 529,967,490.72
  5. Step 5: Solve for x
    x = 529,967,490.72/28,874.72
  6. Step 6: Final answer
    x = 18,354.03

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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.