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Finding the Fourth Proportional to 55,376.66, 83,054.97 and 15,924.09

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Solution

The fourth proportional to 55,376.66, 83,054.97 and 15,924.09 is: 23,883.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,376.66 : 83,054.97 = 15,924.09 : x
  2. Step 2: Convert to fraction form
    55,376.66/83,054.97 = 15,924.09/x
  3. Step 3: Cross multiply
    55,376.66x = 83,054.97 × 15,924.09
  4. Step 4: Simplify right side
    55,376.66x = 1,322,575,128.68
  5. Step 5: Solve for x
    x = 1,322,575,128.68/55,376.66
  6. Step 6: Final answer
    x = 23,883.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.