Home / 28,542.36-39,398.91-17,212.33

Finding the Fourth Proportional to 28,542.36, 39,398.91 and 17,212.33

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Solution

The fourth proportional to 28,542.36, 39,398.91 and 17,212.33 is: 23,759.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542.36 : 39,398.91 = 17,212.33 : x
  2. Step 2: Convert to fraction form
    28,542.36/39,398.91 = 17,212.33/x
  3. Step 3: Cross multiply
    28,542.36x = 39,398.91 × 17,212.33
  4. Step 4: Simplify right side
    28,542.36x = 678,147,025.26
  5. Step 5: Solve for x
    x = 678,147,025.26/28,542.36
  6. Step 6: Final answer
    x = 23,759.32

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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.