Home / 19,325.50-28,980.87-8,237.38

Finding the Fourth Proportional to 19,325.50, 28,980.87 and 8,237.38

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Solution

The fourth proportional to 19,325.50, 28,980.87 and 8,237.38 is: 12,352.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,325.50 : 28,980.87 = 8,237.38 : x
  2. Step 2: Convert to fraction form
    19,325.50/28,980.87 = 8,237.38/x
  3. Step 3: Cross multiply
    19,325.50x = 28,980.87 × 8,237.38
  4. Step 4: Simplify right side
    19,325.50x = 238,726,438.92
  5. Step 5: Solve for x
    x = 238,726,438.92/19,325.50
  6. Step 6: Final answer
    x = 12,352.92

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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.