Home / 19,257.88-28,884.60-5,217.08

Finding the Fourth Proportional to 19,257.88, 28,884.60 and 5,217.08

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Solution

The fourth proportional to 19,257.88, 28,884.60 and 5,217.08 is: 7,825.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,257.88 : 28,884.60 = 5,217.08 : x
  2. Step 2: Convert to fraction form
    19,257.88/28,884.60 = 5,217.08/x
  3. Step 3: Cross multiply
    19,257.88x = 28,884.60 × 5,217.08
  4. Step 4: Simplify right side
    19,257.88x = 150,693,268.97
  5. Step 5: Solve for x
    x = 150,693,268.97/19,257.88
  6. Step 6: Final answer
    x = 7,825.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.