Home / 22,640.58-31,231.17-14,242.50

Finding the Fourth Proportional to 22,640.58, 31,231.17 and 14,242.50

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Solution

The fourth proportional to 22,640.58, 31,231.17 and 14,242.50 is: 19,646.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,640.58 : 31,231.17 = 14,242.50 : x
  2. Step 2: Convert to fraction form
    22,640.58/31,231.17 = 14,242.50/x
  3. Step 3: Cross multiply
    22,640.58x = 31,231.17 × 14,242.50
  4. Step 4: Simplify right side
    22,640.58x = 444,809,938.73
  5. Step 5: Solve for x
    x = 444,809,938.73/22,640.58
  6. Step 6: Final answer
    x = 19,646.58

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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.