Home / 21,992.02-30,352.29-17,311.54

Finding the Fourth Proportional to 21,992.02, 30,352.29 and 17,311.54

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Solution

The fourth proportional to 21,992.02, 30,352.29 and 17,311.54 is: 23,892.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,992.02 : 30,352.29 = 17,311.54 : x
  2. Step 2: Convert to fraction form
    21,992.02/30,352.29 = 17,311.54/x
  3. Step 3: Cross multiply
    21,992.02x = 30,352.29 × 17,311.54
  4. Step 4: Simplify right side
    21,992.02x = 525,444,882.43
  5. Step 5: Solve for x
    x = 525,444,882.43/21,992.02
  6. Step 6: Final answer
    x = 23,892.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.