Home / 19,285.44-28,928.16-18,300.48

Finding the Fourth Proportional to 19,285.44, 28,928.16 and 18,300.48

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Solution

The fourth proportional to 19,285.44, 28,928.16 and 18,300.48 is: 27,450.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.44 : 28,928.16 = 18,300.48 : x
  2. Step 2: Convert to fraction form
    19,285.44/28,928.16 = 18,300.48/x
  3. Step 3: Cross multiply
    19,285.44x = 28,928.16 × 18,300.48
  4. Step 4: Simplify right side
    19,285.44x = 529,399,213.52
  5. Step 5: Solve for x
    x = 529,399,213.52/19,285.44
  6. Step 6: Final answer
    x = 27,450.72

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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.