Home / 25,293.44-34,917.48-19,615.28

Finding the Fourth Proportional to 25,293.44, 34,917.48 and 19,615.28

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Solution

The fourth proportional to 25,293.44, 34,917.48 and 19,615.28 is: 27,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,293.44 : 34,917.48 = 19,615.28 : x
  2. Step 2: Convert to fraction form
    25,293.44/34,917.48 = 19,615.28/x
  3. Step 3: Cross multiply
    25,293.44x = 34,917.48 × 19,615.28
  4. Step 4: Simplify right side
    25,293.44x = 684,916,147.09
  5. Step 5: Solve for x
    x = 684,916,147.09/25,293.44
  6. Step 6: Final answer
    x = 27,078.81

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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.