Home / 19,221.02-28,833.21-5,370.06

Finding the Fourth Proportional to 19,221.02, 28,833.21 and 5,370.06

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Solution

The fourth proportional to 19,221.02, 28,833.21 and 5,370.06 is: 8,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.02 : 28,833.21 = 5,370.06 : x
  2. Step 2: Convert to fraction form
    19,221.02/28,833.21 = 5,370.06/x
  3. Step 3: Cross multiply
    19,221.02x = 28,833.21 × 5,370.06
  4. Step 4: Simplify right side
    19,221.02x = 154,836,067.69
  5. Step 5: Solve for x
    x = 154,836,067.69/19,221.02
  6. Step 6: Final answer
    x = 8,055.56

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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.