Home / 21,040.71-31,562.82-6,047.88

Finding the Fourth Proportional to 21,040.71, 31,562.82 and 6,047.88

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Solution

The fourth proportional to 21,040.71, 31,562.82 and 6,047.88 is: 9,072.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,040.71 : 31,562.82 = 6,047.88 : x
  2. Step 2: Convert to fraction form
    21,040.71/31,562.82 = 6,047.88/x
  3. Step 3: Cross multiply
    21,040.71x = 31,562.82 × 6,047.88
  4. Step 4: Simplify right side
    21,040.71x = 190,888,147.82
  5. Step 5: Solve for x
    x = 190,888,147.82/21,040.71
  6. Step 6: Final answer
    x = 9,072.32

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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.