Home / 28,647-39,535.44-17,322.12

Finding the Fourth Proportional to 28,647, 39,535.44 and 17,322.12

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Solution

The fourth proportional to 28,647, 39,535.44 and 17,322.12 is: 23,906.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,647 : 39,535.44 = 17,322.12 : x
  2. Step 2: Convert to fraction form
    28,647/39,535.44 = 17,322.12/x
  3. Step 3: Cross multiply
    28,647x = 39,535.44 × 17,322.12
  4. Step 4: Simplify right side
    28,647x = 684,837,635.93
  5. Step 5: Solve for x
    x = 684,837,635.93/28,647
  6. Step 6: Final answer
    x = 23,906.09

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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.