Home / 25,946.80-38,939.40-10,375.60

Finding the Fourth Proportional to 25,946.80, 38,939.40 and 10,375.60

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Solution

The fourth proportional to 25,946.80, 38,939.40 and 10,375.60 is: 15,571.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,946.80 : 38,939.40 = 10,375.60 : x
  2. Step 2: Convert to fraction form
    25,946.80/38,939.40 = 10,375.60/x
  3. Step 3: Cross multiply
    25,946.80x = 38,939.40 × 10,375.60
  4. Step 4: Simplify right side
    25,946.80x = 404,019,638.64
  5. Step 5: Solve for x
    x = 404,019,638.64/25,946.80
  6. Step 6: Final answer
    x = 15,571.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.