Home / 28,579.23-39,441.42-17,251.49

Finding the Fourth Proportional to 28,579.23, 39,441.42 and 17,251.49

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Solution

The fourth proportional to 28,579.23, 39,441.42 and 17,251.49 is: 23,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,579.23 : 39,441.42 = 17,251.49 : x
  2. Step 2: Convert to fraction form
    28,579.23/39,441.42 = 17,251.49/x
  3. Step 3: Cross multiply
    28,579.23x = 39,441.42 × 17,251.49
  4. Step 4: Simplify right side
    28,579.23x = 680,422,979.25
  5. Step 5: Solve for x
    x = 680,422,979.25/28,579.23
  6. Step 6: Final answer
    x = 23,808.30

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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.