Home / 19,502.37-29,282.72-18,821.97

Finding the Fourth Proportional to 19,502.37, 29,282.72 and 18,821.97

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Solution

The fourth proportional to 19,502.37, 29,282.72 and 18,821.97 is: 28,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,502.37 : 29,282.72 = 18,821.97 : x
  2. Step 2: Convert to fraction form
    19,502.37/29,282.72 = 18,821.97/x
  3. Step 3: Cross multiply
    19,502.37x = 29,282.72 × 18,821.97
  4. Step 4: Simplify right side
    19,502.37x = 551,158,383.25
  5. Step 5: Solve for x
    x = 551,158,383.25/19,502.37
  6. Step 6: Final answer
    x = 28,261.10

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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.