Home / 21,828.30-32,743.26-7,037.43

Finding the Fourth Proportional to 21,828.30, 32,743.26 and 7,037.43

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Solution

The fourth proportional to 21,828.30, 32,743.26 and 7,037.43 is: 10,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,828.30 : 32,743.26 = 7,037.43 : x
  2. Step 2: Convert to fraction form
    21,828.30/32,743.26 = 7,037.43/x
  3. Step 3: Cross multiply
    21,828.30x = 32,743.26 × 7,037.43
  4. Step 4: Simplify right side
    21,828.30x = 230,428,400.22
  5. Step 5: Solve for x
    x = 230,428,400.22/21,828.30
  6. Step 6: Final answer
    x = 10,556.41

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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.