Home / 35,815.68-53,723.82-13,629.24

Finding the Fourth Proportional to 35,815.68, 53,723.82 and 13,629.24

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Solution

The fourth proportional to 35,815.68, 53,723.82 and 13,629.24 is: 20,443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,815.68 : 53,723.82 = 13,629.24 : x
  2. Step 2: Convert to fraction form
    35,815.68/53,723.82 = 13,629.24/x
  3. Step 3: Cross multiply
    35,815.68x = 53,723.82 × 13,629.24
  4. Step 4: Simplify right side
    35,815.68x = 732,214,836.50
  5. Step 5: Solve for x
    x = 732,214,836.50/35,815.68
  6. Step 6: Final answer
    x = 20,443.97

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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.