Home / 31,874.78-43,988.75-17,727.32

Finding the Fourth Proportional to 31,874.78, 43,988.75 and 17,727.32

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Solution

The fourth proportional to 31,874.78, 43,988.75 and 17,727.32 is: 24,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,874.78 : 43,988.75 = 17,727.32 : x
  2. Step 2: Convert to fraction form
    31,874.78/43,988.75 = 17,727.32/x
  3. Step 3: Cross multiply
    31,874.78x = 43,988.75 × 17,727.32
  4. Step 4: Simplify right side
    31,874.78x = 779,802,339.07
  5. Step 5: Solve for x
    x = 779,802,339.07/31,874.78
  6. Step 6: Final answer
    x = 24,464.56

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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.