Home / 28,735.52-43,089.39-10,015.12

Finding the Fourth Proportional to 28,735.52, 43,089.39 and 10,015.12

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Solution

The fourth proportional to 28,735.52, 43,089.39 and 10,015.12 is: 15,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735.52 : 43,089.39 = 10,015.12 : x
  2. Step 2: Convert to fraction form
    28,735.52/43,089.39 = 10,015.12/x
  3. Step 3: Cross multiply
    28,735.52x = 43,089.39 × 10,015.12
  4. Step 4: Simplify right side
    28,735.52x = 431,545,196.13
  5. Step 5: Solve for x
    x = 431,545,196.13/28,735.52
  6. Step 6: Final answer
    x = 15,017.83

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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.