Home / 19,129.02-28,736.73-11,342.94

Finding the Fourth Proportional to 19,129.02, 28,736.73 and 11,342.94

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Solution

The fourth proportional to 19,129.02, 28,736.73 and 11,342.94 is: 17,040.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.02 : 28,736.73 = 11,342.94 : x
  2. Step 2: Convert to fraction form
    19,129.02/28,736.73 = 11,342.94/x
  3. Step 3: Cross multiply
    19,129.02x = 28,736.73 × 11,342.94
  4. Step 4: Simplify right side
    19,129.02x = 325,959,004.19
  5. Step 5: Solve for x
    x = 325,959,004.19/19,129.02
  6. Step 6: Final answer
    x = 17,040.03

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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.