Home / 28,707.30-43,067.92-9,984.69

Finding the Fourth Proportional to 28,707.30, 43,067.92 and 9,984.69

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Solution

The fourth proportional to 28,707.30, 43,067.92 and 9,984.69 is: 14,979.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,707.30 : 43,067.92 = 9,984.69 : x
  2. Step 2: Convert to fraction form
    28,707.30/43,067.92 = 9,984.69/x
  3. Step 3: Cross multiply
    28,707.30x = 43,067.92 × 9,984.69
  4. Step 4: Simplify right side
    28,707.30x = 430,019,830.14
  5. Step 5: Solve for x
    x = 430,019,830.14/28,707.30
  6. Step 6: Final answer
    x = 14,979.46

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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.