Home / 28,943.86-39,936.09-17,619.25

Finding the Fourth Proportional to 28,943.86, 39,936.09 and 17,619.25

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Solution

The fourth proportional to 28,943.86, 39,936.09 and 17,619.25 is: 24,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943.86 : 39,936.09 = 17,619.25 : x
  2. Step 2: Convert to fraction form
    28,943.86/39,936.09 = 17,619.25/x
  3. Step 3: Cross multiply
    28,943.86x = 39,936.09 × 17,619.25
  4. Step 4: Simplify right side
    28,943.86x = 703,643,953.73
  5. Step 5: Solve for x
    x = 703,643,953.73/28,943.86
  6. Step 6: Final answer
    x = 24,310.65

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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.