Home / 28,926.96-43,381.68-12,286.84

Finding the Fourth Proportional to 28,926.96, 43,381.68 and 12,286.84

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Solution

The fourth proportional to 28,926.96, 43,381.68 and 12,286.84 is: 18,426.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.96 : 43,381.68 = 12,286.84 : x
  2. Step 2: Convert to fraction form
    28,926.96/43,381.68 = 12,286.84/x
  3. Step 3: Cross multiply
    28,926.96x = 43,381.68 × 12,286.84
  4. Step 4: Simplify right side
    28,926.96x = 533,023,761.09
  5. Step 5: Solve for x
    x = 533,023,761.09/28,926.96
  6. Step 6: Final answer
    x = 18,426.54

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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.