Home / 28,943.11-39,947.72-17,616.25

Finding the Fourth Proportional to 28,943.11, 39,947.72 and 17,616.25

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Solution

The fourth proportional to 28,943.11, 39,947.72 and 17,616.25 is: 24,314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943.11 : 39,947.72 = 17,616.25 : x
  2. Step 2: Convert to fraction form
    28,943.11/39,947.72 = 17,616.25/x
  3. Step 3: Cross multiply
    28,943.11x = 39,947.72 × 17,616.25
  4. Step 4: Simplify right side
    28,943.11x = 703,729,022.45
  5. Step 5: Solve for x
    x = 703,729,022.45/28,943.11
  6. Step 6: Final answer
    x = 24,314.22

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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.