Home / 19,090.43-28,624.13-8,558.54

Finding the Fourth Proportional to 19,090.43, 28,624.13 and 8,558.54

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Solution

The fourth proportional to 19,090.43, 28,624.13 and 8,558.54 is: 12,832.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.43 : 28,624.13 = 8,558.54 : x
  2. Step 2: Convert to fraction form
    19,090.43/28,624.13 = 8,558.54/x
  3. Step 3: Cross multiply
    19,090.43x = 28,624.13 × 8,558.54
  4. Step 4: Simplify right side
    19,090.43x = 244,980,618.45
  5. Step 5: Solve for x
    x = 244,980,618.45/19,090.43
  6. Step 6: Final answer
    x = 12,832.64

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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.