Home / 55,821.14-83,725.10-15,843.64

Finding the Fourth Proportional to 55,821.14, 83,725.10 and 15,843.64

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Solution

The fourth proportional to 55,821.14, 83,725.10 and 15,843.64 is: 23,763.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,821.14 : 83,725.10 = 15,843.64 : x
  2. Step 2: Convert to fraction form
    55,821.14/83,725.10 = 15,843.64/x
  3. Step 3: Cross multiply
    55,821.14x = 83,725.10 × 15,843.64
  4. Step 4: Simplify right side
    55,821.14x = 1,326,510,343.36
  5. Step 5: Solve for x
    x = 1,326,510,343.36/55,821.14
  6. Step 6: Final answer
    x = 23,763.58

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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.