Home / 25,220.06-34,803.94-13,889.78

Finding the Fourth Proportional to 25,220.06, 34,803.94 and 13,889.78

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Solution

The fourth proportional to 25,220.06, 34,803.94 and 13,889.78 is: 19,168.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,220.06 : 34,803.94 = 13,889.78 : x
  2. Step 2: Convert to fraction form
    25,220.06/34,803.94 = 13,889.78/x
  3. Step 3: Cross multiply
    25,220.06x = 34,803.94 × 13,889.78
  4. Step 4: Simplify right side
    25,220.06x = 483,419,069.73
  5. Step 5: Solve for x
    x = 483,419,069.73/25,220.06
  6. Step 6: Final answer
    x = 19,168.04

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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.