Home / 28,002.73-41,989.51-13,207.67

Finding the Fourth Proportional to 28,002.73, 41,989.51 and 13,207.67

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Solution

The fourth proportional to 28,002.73, 41,989.51 and 13,207.67 is: 19,804.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002.73 : 41,989.51 = 13,207.67 : x
  2. Step 2: Convert to fraction form
    28,002.73/41,989.51 = 13,207.67/x
  3. Step 3: Cross multiply
    28,002.73x = 41,989.51 × 13,207.67
  4. Step 4: Simplify right side
    28,002.73x = 554,583,591.54
  5. Step 5: Solve for x
    x = 554,583,591.54/28,002.73
  6. Step 6: Final answer
    x = 19,804.63

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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.