Home / 19,090.30-28,623.94-8,558.41

Finding the Fourth Proportional to 19,090.30, 28,623.94 and 8,558.41

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Solution

The fourth proportional to 19,090.30, 28,623.94 and 8,558.41 is: 12,832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.30 : 28,623.94 = 8,558.41 : x
  2. Step 2: Convert to fraction form
    19,090.30/28,623.94 = 8,558.41/x
  3. Step 3: Cross multiply
    19,090.30x = 28,623.94 × 8,558.41
  4. Step 4: Simplify right side
    19,090.30x = 244,975,460.81
  5. Step 5: Solve for x
    x = 244,975,460.81/19,090.30
  6. Step 6: Final answer
    x = 12,832.46

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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.