Home / 28,923.24-43,386.38-8,148.36

Finding the Fourth Proportional to 28,923.24, 43,386.38 and 8,148.36

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Solution

The fourth proportional to 28,923.24, 43,386.38 and 8,148.36 is: 12,222.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923.24 : 43,386.38 = 8,148.36 : x
  2. Step 2: Convert to fraction form
    28,923.24/43,386.38 = 8,148.36/x
  3. Step 3: Cross multiply
    28,923.24x = 43,386.38 × 8,148.36
  4. Step 4: Simplify right side
    28,923.24x = 353,527,843.34
  5. Step 5: Solve for x
    x = 353,527,843.34/28,923.24
  6. Step 6: Final answer
    x = 12,222.97

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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.