Home / 19,147.21-28,699.54-14,452.00

Finding the Fourth Proportional to 19,147.21, 28,699.54 and 14,452.00

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Solution

The fourth proportional to 19,147.21, 28,699.54 and 14,452.00 is: 21,661.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.21 : 28,699.54 = 14,452.00 : x
  2. Step 2: Convert to fraction form
    19,147.21/28,699.54 = 14,452.00/x
  3. Step 3: Cross multiply
    19,147.21x = 28,699.54 × 14,452.00
  4. Step 4: Simplify right side
    19,147.21x = 414,765,644.20
  5. Step 5: Solve for x
    x = 414,765,644.20/19,147.21
  6. Step 6: Final answer
    x = 21,661.94

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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.