Home / 25,340.88-34,970.57-13,855.83

Finding the Fourth Proportional to 25,340.88, 34,970.57 and 13,855.83

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Solution

The fourth proportional to 25,340.88, 34,970.57 and 13,855.83 is: 19,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,340.88 : 34,970.57 = 13,855.83 : x
  2. Step 2: Convert to fraction form
    25,340.88/34,970.57 = 13,855.83/x
  3. Step 3: Cross multiply
    25,340.88x = 34,970.57 × 13,855.83
  4. Step 4: Simplify right side
    25,340.88x = 484,546,124.46
  5. Step 5: Solve for x
    x = 484,546,124.46/25,340.88
  6. Step 6: Final answer
    x = 19,121.12

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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.