Home / 47,611.28-71,392.44-27,928.64

Finding the Fourth Proportional to 47,611.28, 71,392.44 and 27,928.64

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Solution

The fourth proportional to 47,611.28, 71,392.44 and 27,928.64 is: 41,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,611.28 : 71,392.44 = 27,928.64 : x
  2. Step 2: Convert to fraction form
    47,611.28/71,392.44 = 27,928.64/x
  3. Step 3: Cross multiply
    47,611.28x = 71,392.44 × 27,928.64
  4. Step 4: Simplify right side
    47,611.28x = 1,993,893,755.48
  5. Step 5: Solve for x
    x = 1,993,893,755.48/47,611.28
  6. Step 6: Final answer
    x = 41,878.60

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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.