Home / 21,967.76-30,329.28-16,922.48

Finding the Fourth Proportional to 21,967.76, 30,329.28 and 16,922.48

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Solution

The fourth proportional to 21,967.76, 30,329.28 and 16,922.48 is: 23,363.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,967.76 : 30,329.28 = 16,922.48 : x
  2. Step 2: Convert to fraction form
    21,967.76/30,329.28 = 16,922.48/x
  3. Step 3: Cross multiply
    21,967.76x = 30,329.28 × 16,922.48
  4. Step 4: Simplify right side
    21,967.76x = 513,246,634.21
  5. Step 5: Solve for x
    x = 513,246,634.21/21,967.76
  6. Step 6: Final answer
    x = 23,363.63

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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.