Home / 28,226.37-42,336.30-7,451.49

Finding the Fourth Proportional to 28,226.37, 42,336.30 and 7,451.49

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Solution

The fourth proportional to 28,226.37, 42,336.30 and 7,451.49 is: 11,176.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,226.37 : 42,336.30 = 7,451.49 : x
  2. Step 2: Convert to fraction form
    28,226.37/42,336.30 = 7,451.49/x
  3. Step 3: Cross multiply
    28,226.37x = 42,336.30 × 7,451.49
  4. Step 4: Simplify right side
    28,226.37x = 315,468,516.09
  5. Step 5: Solve for x
    x = 315,468,516.09/28,226.37
  6. Step 6: Final answer
    x = 11,176.38

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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.