Home / 28,632.69-42,902.87-15,491.25

Finding the Fourth Proportional to 28,632.69, 42,902.87 and 15,491.25

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Solution

The fourth proportional to 28,632.69, 42,902.87 and 15,491.25 is: 23,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,632.69 : 42,902.87 = 15,491.25 : x
  2. Step 2: Convert to fraction form
    28,632.69/42,902.87 = 15,491.25/x
  3. Step 3: Cross multiply
    28,632.69x = 42,902.87 × 15,491.25
  4. Step 4: Simplify right side
    28,632.69x = 664,619,007.43
  5. Step 5: Solve for x
    x = 664,619,007.43/28,632.69
  6. Step 6: Final answer
    x = 23,211.90

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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.