Home / 25,907.40-38,863.44-7,188.60

Finding the Fourth Proportional to 25,907.40, 38,863.44 and 7,188.60

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Solution

The fourth proportional to 25,907.40, 38,863.44 and 7,188.60 is: 10,783.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,907.40 : 38,863.44 = 7,188.60 : x
  2. Step 2: Convert to fraction form
    25,907.40/38,863.44 = 7,188.60/x
  3. Step 3: Cross multiply
    25,907.40x = 38,863.44 × 7,188.60
  4. Step 4: Simplify right side
    25,907.40x = 279,373,724.78
  5. Step 5: Solve for x
    x = 279,373,724.78/25,907.40
  6. Step 6: Final answer
    x = 10,783.55

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1.5x scale

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.