Home / 19,220.94-28,832.44-18,169.14

Finding the Fourth Proportional to 19,220.94, 28,832.44 and 18,169.14

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Solution

The fourth proportional to 19,220.94, 28,832.44 and 18,169.14 is: 27,254.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.94 : 28,832.44 = 18,169.14 : x
  2. Step 2: Convert to fraction form
    19,220.94/28,832.44 = 18,169.14/x
  3. Step 3: Cross multiply
    19,220.94x = 28,832.44 × 18,169.14
  4. Step 4: Simplify right side
    19,220.94x = 523,860,638.90
  5. Step 5: Solve for x
    x = 523,860,638.90/19,220.94
  6. Step 6: Final answer
    x = 27,254.68

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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.