Home / 18,823.24-28,235.81-4,783.41

Finding the Fourth Proportional to 18,823.24, 28,235.81 and 4,783.41

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Solution

The fourth proportional to 18,823.24, 28,235.81 and 4,783.41 is: 7,175.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.24 : 28,235.81 = 4,783.41 : x
  2. Step 2: Convert to fraction form
    18,823.24/28,235.81 = 4,783.41/x
  3. Step 3: Cross multiply
    18,823.24x = 28,235.81 × 4,783.41
  4. Step 4: Simplify right side
    18,823.24x = 135,063,314.73
  5. Step 5: Solve for x
    x = 135,063,314.73/18,823.24
  6. Step 6: Final answer
    x = 7,175.35

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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.