Home / 28,880.88-43,321.32-18,558.24

Finding the Fourth Proportional to 28,880.88, 43,321.32 and 18,558.24

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Solution

The fourth proportional to 28,880.88, 43,321.32 and 18,558.24 is: 27,837.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.88 : 43,321.32 = 18,558.24 : x
  2. Step 2: Convert to fraction form
    28,880.88/43,321.32 = 18,558.24/x
  3. Step 3: Cross multiply
    28,880.88x = 43,321.32 × 18,558.24
  4. Step 4: Simplify right side
    28,880.88x = 803,967,453.68
  5. Step 5: Solve for x
    x = 803,967,453.68/28,880.88
  6. Step 6: Final answer
    x = 27,837.36

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Similar ratio
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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.