Home / 28,904.44-43,358.16-8,129.56

Finding the Fourth Proportional to 28,904.44, 43,358.16 and 8,129.56

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Solution

The fourth proportional to 28,904.44, 43,358.16 and 8,129.56 is: 12,194.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.44 : 43,358.16 = 8,129.56 : x
  2. Step 2: Convert to fraction form
    28,904.44/43,358.16 = 8,129.56/x
  3. Step 3: Cross multiply
    28,904.44x = 43,358.16 × 8,129.56
  4. Step 4: Simplify right side
    28,904.44x = 352,482,763.21
  5. Step 5: Solve for x
    x = 352,482,763.21/28,904.44
  6. Step 6: Final answer
    x = 12,194.76

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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.