Home / 28,544.73-42,812.41-7,769.85

Finding the Fourth Proportional to 28,544.73, 42,812.41 and 7,769.85

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Solution

The fourth proportional to 28,544.73, 42,812.41 and 7,769.85 is: 11,653.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544.73 : 42,812.41 = 7,769.85 : x
  2. Step 2: Convert to fraction form
    28,544.73/42,812.41 = 7,769.85/x
  3. Step 3: Cross multiply
    28,544.73x = 42,812.41 × 7,769.85
  4. Step 4: Simplify right side
    28,544.73x = 332,646,003.84
  5. Step 5: Solve for x
    x = 332,646,003.84/28,544.73
  6. Step 6: Final answer
    x = 11,653.50

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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.