Home / 22,814.84-31,481.37-12,742.00

Finding the Fourth Proportional to 22,814.84, 31,481.37 and 12,742.00

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Solution

The fourth proportional to 22,814.84, 31,481.37 and 12,742.00 is: 17,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,814.84 : 31,481.37 = 12,742.00 : x
  2. Step 2: Convert to fraction form
    22,814.84/31,481.37 = 12,742.00/x
  3. Step 3: Cross multiply
    22,814.84x = 31,481.37 × 12,742.00
  4. Step 4: Simplify right side
    22,814.84x = 401,135,537.84
  5. Step 5: Solve for x
    x = 401,135,537.84/22,814.84
  6. Step 6: Final answer
    x = 17,582.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.