Home / 28,928.24-43,392.36-11,399.84

Finding the Fourth Proportional to 28,928.24, 43,392.36 and 11,399.84

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Solution

The fourth proportional to 28,928.24, 43,392.36 and 11,399.84 is: 17,099.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928.24 : 43,392.36 = 11,399.84 : x
  2. Step 2: Convert to fraction form
    28,928.24/43,392.36 = 11,399.84/x
  3. Step 3: Cross multiply
    28,928.24x = 43,392.36 × 11,399.84
  4. Step 4: Simplify right side
    28,928.24x = 494,665,961.22
  5. Step 5: Solve for x
    x = 494,665,961.22/28,928.24
  6. Step 6: Final answer
    x = 17,099.76

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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.