Home / 25,268.54-34,871.43-13,784.08

Finding the Fourth Proportional to 25,268.54, 34,871.43 and 13,784.08

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Solution

The fourth proportional to 25,268.54, 34,871.43 and 13,784.08 is: 19,022.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,268.54 : 34,871.43 = 13,784.08 : x
  2. Step 2: Convert to fraction form
    25,268.54/34,871.43 = 13,784.08/x
  3. Step 3: Cross multiply
    25,268.54x = 34,871.43 × 13,784.08
  4. Step 4: Simplify right side
    25,268.54x = 480,670,511.91
  5. Step 5: Solve for x
    x = 480,670,511.91/25,268.54
  6. Step 6: Final answer
    x = 19,022.49

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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.