Home / 21,154.83-29,183.28-17,796.42

Finding the Fourth Proportional to 21,154.83, 29,183.28 and 17,796.42

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Solution

The fourth proportional to 21,154.83, 29,183.28 and 17,796.42 is: 24,550.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,154.83 : 29,183.28 = 17,796.42 : x
  2. Step 2: Convert to fraction form
    21,154.83/29,183.28 = 17,796.42/x
  3. Step 3: Cross multiply
    21,154.83x = 29,183.28 × 17,796.42
  4. Step 4: Simplify right side
    21,154.83x = 519,357,907.86
  5. Step 5: Solve for x
    x = 519,357,907.86/21,154.83
  6. Step 6: Final answer
    x = 24,550.32

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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.