Home / 21,992.88-33,000.66-10,307.28

Finding the Fourth Proportional to 21,992.88, 33,000.66 and 10,307.28

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Solution

The fourth proportional to 21,992.88, 33,000.66 and 10,307.28 is: 15,466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,992.88 : 33,000.66 = 10,307.28 : x
  2. Step 2: Convert to fraction form
    21,992.88/33,000.66 = 10,307.28/x
  3. Step 3: Cross multiply
    21,992.88x = 33,000.66 × 10,307.28
  4. Step 4: Simplify right side
    21,992.88x = 340,147,042.80
  5. Step 5: Solve for x
    x = 340,147,042.80/21,992.88
  6. Step 6: Final answer
    x = 15,466.23

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1.5x scale

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.