Home / 28,724.84-39,640.56-17,546.84

Finding the Fourth Proportional to 28,724.84, 39,640.56 and 17,546.84

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Solution

The fourth proportional to 28,724.84, 39,640.56 and 17,546.84 is: 24,214.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724.84 : 39,640.56 = 17,546.84 : x
  2. Step 2: Convert to fraction form
    28,724.84/39,640.56 = 17,546.84/x
  3. Step 3: Cross multiply
    28,724.84x = 39,640.56 × 17,546.84
  4. Step 4: Simplify right side
    28,724.84x = 695,566,563.83
  5. Step 5: Solve for x
    x = 695,566,563.83/28,724.84
  6. Step 6: Final answer
    x = 24,214.81

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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.