Home / 28,950.27-43,446.24-12,314.88

Finding the Fourth Proportional to 28,950.27, 43,446.24 and 12,314.88

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Solution

The fourth proportional to 28,950.27, 43,446.24 and 12,314.88 is: 18,481.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,950.27 : 43,446.24 = 12,314.88 : x
  2. Step 2: Convert to fraction form
    28,950.27/43,446.24 = 12,314.88/x
  3. Step 3: Cross multiply
    28,950.27x = 43,446.24 × 12,314.88
  4. Step 4: Simplify right side
    28,950.27x = 535,035,232.05
  5. Step 5: Solve for x
    x = 535,035,232.05/28,950.27
  6. Step 6: Final answer
    x = 18,481.18

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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.