Home / 21,577.94-29,791.20-16,532.79

Finding the Fourth Proportional to 21,577.94, 29,791.20 and 16,532.79

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Solution

The fourth proportional to 21,577.94, 29,791.20 and 16,532.79 is: 22,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,577.94 : 29,791.20 = 16,532.79 : x
  2. Step 2: Convert to fraction form
    21,577.94/29,791.20 = 16,532.79/x
  3. Step 3: Cross multiply
    21,577.94x = 29,791.20 × 16,532.79
  4. Step 4: Simplify right side
    21,577.94x = 492,531,653.45
  5. Step 5: Solve for x
    x = 492,531,653.45/21,577.94
  6. Step 6: Final answer
    x = 22,825.70

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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.