Home / 28,048.88-42,065.93-8,322.75

Finding the Fourth Proportional to 28,048.88, 42,065.93 and 8,322.75

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Solution

The fourth proportional to 28,048.88, 42,065.93 and 8,322.75 is: 12,481.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.88 : 42,065.93 = 8,322.75 : x
  2. Step 2: Convert to fraction form
    28,048.88/42,065.93 = 8,322.75/x
  3. Step 3: Cross multiply
    28,048.88x = 42,065.93 × 8,322.75
  4. Step 4: Simplify right side
    28,048.88x = 350,104,239.71
  5. Step 5: Solve for x
    x = 350,104,239.71/28,048.88
  6. Step 6: Final answer
    x = 12,481.93

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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.