Home / 21,022.88-31,538.21-6,029.37

Finding the Fourth Proportional to 21,022.88, 31,538.21 and 6,029.37

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Solution

The fourth proportional to 21,022.88, 31,538.21 and 6,029.37 is: 9,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,022.88 : 31,538.21 = 6,029.37 : x
  2. Step 2: Convert to fraction form
    21,022.88/31,538.21 = 6,029.37/x
  3. Step 3: Cross multiply
    21,022.88x = 31,538.21 × 6,029.37
  4. Step 4: Simplify right side
    21,022.88x = 190,155,507.08
  5. Step 5: Solve for x
    x = 190,155,507.08/21,022.88
  6. Step 6: Final answer
    x = 9,045.17

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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.