Home / 25,694.67-35,480.43-21,468.29

Finding the Fourth Proportional to 25,694.67, 35,480.43 and 21,468.29

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Solution

The fourth proportional to 25,694.67, 35,480.43 and 21,468.29 is: 29,644.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,694.67 : 35,480.43 = 21,468.29 : x
  2. Step 2: Convert to fraction form
    25,694.67/35,480.43 = 21,468.29/x
  3. Step 3: Cross multiply
    25,694.67x = 35,480.43 × 21,468.29
  4. Step 4: Simplify right side
    25,694.67x = 761,704,182.74
  5. Step 5: Solve for x
    x = 761,704,182.74/25,694.67
  6. Step 6: Final answer
    x = 29,644.45

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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.