Home / 28,676.13-43,014.20-8,956.38

Finding the Fourth Proportional to 28,676.13, 43,014.20 and 8,956.38

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Solution

The fourth proportional to 28,676.13, 43,014.20 and 8,956.38 is: 13,434.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676.13 : 43,014.20 = 8,956.38 : x
  2. Step 2: Convert to fraction form
    28,676.13/43,014.20 = 8,956.38/x
  3. Step 3: Cross multiply
    28,676.13x = 43,014.20 × 8,956.38
  4. Step 4: Simplify right side
    28,676.13x = 385,251,520.60
  5. Step 5: Solve for x
    x = 385,251,520.60/28,676.13
  6. Step 6: Final answer
    x = 13,434.57

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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.