Home / 28,240.94-38,974.12-17,066.54

Finding the Fourth Proportional to 28,240.94, 38,974.12 and 17,066.54

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Solution

The fourth proportional to 28,240.94, 38,974.12 and 17,066.54 is: 23,552.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.94 : 38,974.12 = 17,066.54 : x
  2. Step 2: Convert to fraction form
    28,240.94/38,974.12 = 17,066.54/x
  3. Step 3: Cross multiply
    28,240.94x = 38,974.12 × 17,066.54
  4. Step 4: Simplify right side
    28,240.94x = 665,153,377.94
  5. Step 5: Solve for x
    x = 665,153,377.94/28,240.94
  6. Step 6: Final answer
    x = 23,552.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.