Home / 28,885.38-43,335.36-8,108.88

Finding the Fourth Proportional to 28,885.38, 43,335.36 and 8,108.88

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Solution

The fourth proportional to 28,885.38, 43,335.36 and 8,108.88 is: 12,165.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.38 : 43,335.36 = 8,108.88 : x
  2. Step 2: Convert to fraction form
    28,885.38/43,335.36 = 8,108.88/x
  3. Step 3: Cross multiply
    28,885.38x = 43,335.36 × 8,108.88
  4. Step 4: Simplify right side
    28,885.38x = 351,401,234.00
  5. Step 5: Solve for x
    x = 351,401,234.00/28,885.38
  6. Step 6: Final answer
    x = 12,165.37

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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.