Home / 25,355.82-34,970.46-19,378.02

Finding the Fourth Proportional to 25,355.82, 34,970.46 and 19,378.02

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Solution

The fourth proportional to 25,355.82, 34,970.46 and 19,378.02 is: 26,725.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.82 : 34,970.46 = 19,378.02 : x
  2. Step 2: Convert to fraction form
    25,355.82/34,970.46 = 19,378.02/x
  3. Step 3: Cross multiply
    25,355.82x = 34,970.46 × 19,378.02
  4. Step 4: Simplify right side
    25,355.82x = 677,658,273.29
  5. Step 5: Solve for x
    x = 677,658,273.29/25,355.82
  6. Step 6: Final answer
    x = 26,725.95

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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.