Home / 22,551.54-31,106.61-15,481.86

Finding the Fourth Proportional to 22,551.54, 31,106.61 and 15,481.86

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Solution

The fourth proportional to 22,551.54, 31,106.61 and 15,481.86 is: 21,355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,551.54 : 31,106.61 = 15,481.86 : x
  2. Step 2: Convert to fraction form
    22,551.54/31,106.61 = 15,481.86/x
  3. Step 3: Cross multiply
    22,551.54x = 31,106.61 × 15,481.86
  4. Step 4: Simplify right side
    22,551.54x = 481,588,181.09
  5. Step 5: Solve for x
    x = 481,588,181.09/22,551.54
  6. Step 6: Final answer
    x = 21,355.00

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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.