Home / 28,226.46-42,339.69-7,451.58

Finding the Fourth Proportional to 28,226.46, 42,339.69 and 7,451.58

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Solution

The fourth proportional to 28,226.46, 42,339.69 and 7,451.58 is: 11,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,226.46 : 42,339.69 = 7,451.58 : x
  2. Step 2: Convert to fraction form
    28,226.46/42,339.69 = 7,451.58/x
  3. Step 3: Cross multiply
    28,226.46x = 42,339.69 × 7,451.58
  4. Step 4: Simplify right side
    28,226.46x = 315,497,587.21
  5. Step 5: Solve for x
    x = 315,497,587.21/28,226.46
  6. Step 6: Final answer
    x = 11,177.37

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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.