Home / 22,699.69-31,326.04-12,629.93

Finding the Fourth Proportional to 22,699.69, 31,326.04 and 12,629.93

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Solution

The fourth proportional to 22,699.69, 31,326.04 and 12,629.93 is: 17,429.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,699.69 : 31,326.04 = 12,629.93 : x
  2. Step 2: Convert to fraction form
    22,699.69/31,326.04 = 12,629.93/x
  3. Step 3: Cross multiply
    22,699.69x = 31,326.04 × 12,629.93
  4. Step 4: Simplify right side
    22,699.69x = 395,645,551.53
  5. Step 5: Solve for x
    x = 395,645,551.53/22,699.69
  6. Step 6: Final answer
    x = 17,429.56

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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.