Home / 25,208.48-34,787.68-15,644.80

Finding the Fourth Proportional to 25,208.48, 34,787.68 and 15,644.80

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Solution

The fourth proportional to 25,208.48, 34,787.68 and 15,644.80 is: 21,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,208.48 : 34,787.68 = 15,644.80 : x
  2. Step 2: Convert to fraction form
    25,208.48/34,787.68 = 15,644.80/x
  3. Step 3: Cross multiply
    25,208.48x = 34,787.68 × 15,644.80
  4. Step 4: Simplify right side
    25,208.48x = 544,246,296.06
  5. Step 5: Solve for x
    x = 544,246,296.06/25,208.48
  6. Step 6: Final answer
    x = 21,589.81

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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.