Home / 28,676.37-43,014.55-8,956.61

Finding the Fourth Proportional to 28,676.37, 43,014.55 and 8,956.61

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Solution

The fourth proportional to 28,676.37, 43,014.55 and 8,956.61 is: 13,434.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676.37 : 43,014.55 = 8,956.61 : x
  2. Step 2: Convert to fraction form
    28,676.37/43,014.55 = 8,956.61/x
  3. Step 3: Cross multiply
    28,676.37x = 43,014.55 × 8,956.61
  4. Step 4: Simplify right side
    28,676.37x = 385,264,548.68
  5. Step 5: Solve for x
    x = 385,264,548.68/28,676.37
  6. Step 6: Final answer
    x = 13,434.91

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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.