Home / 21,620.44-29,823.42-16,298.56

Finding the Fourth Proportional to 21,620.44, 29,823.42 and 16,298.56

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Solution

The fourth proportional to 21,620.44, 29,823.42 and 16,298.56 is: 22,482.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,620.44 : 29,823.42 = 16,298.56 : x
  2. Step 2: Convert to fraction form
    21,620.44/29,823.42 = 16,298.56/x
  3. Step 3: Cross multiply
    21,620.44x = 29,823.42 × 16,298.56
  4. Step 4: Simplify right side
    21,620.44x = 486,078,800.28
  5. Step 5: Solve for x
    x = 486,078,800.28/21,620.44
  6. Step 6: Final answer
    x = 22,482.37

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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.