Home / 31,878.44-47,825.04-10,817.36

Finding the Fourth Proportional to 31,878.44, 47,825.04 and 10,817.36

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Solution

The fourth proportional to 31,878.44, 47,825.04 and 10,817.36 is: 16,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,878.44 : 47,825.04 = 10,817.36 : x
  2. Step 2: Convert to fraction form
    31,878.44/47,825.04 = 10,817.36/x
  3. Step 3: Cross multiply
    31,878.44x = 47,825.04 × 10,817.36
  4. Step 4: Simplify right side
    31,878.44x = 517,340,674.69
  5. Step 5: Solve for x
    x = 517,340,674.69/31,878.44
  6. Step 6: Final answer
    x = 16,228.54

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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.