Home / 28,022-42,040.48-10,493.60

Finding the Fourth Proportional to 28,022, 42,040.48 and 10,493.60

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Solution

The fourth proportional to 28,022, 42,040.48 and 10,493.60 is: 15,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,022 : 42,040.48 = 10,493.60 : x
  2. Step 2: Convert to fraction form
    28,022/42,040.48 = 10,493.60/x
  3. Step 3: Cross multiply
    28,022x = 42,040.48 × 10,493.60
  4. Step 4: Simplify right side
    28,022x = 441,155,980.93
  5. Step 5: Solve for x
    x = 441,155,980.93/28,022
  6. Step 6: Final answer
    x = 15,743.20

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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.