Home / 21,884.62-30,241.64-17,904.28

Finding the Fourth Proportional to 21,884.62, 30,241.64 and 17,904.28

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Solution

The fourth proportional to 21,884.62, 30,241.64 and 17,904.28 is: 24,741.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,884.62 : 30,241.64 = 17,904.28 : x
  2. Step 2: Convert to fraction form
    21,884.62/30,241.64 = 17,904.28/x
  3. Step 3: Cross multiply
    21,884.62x = 30,241.64 × 17,904.28
  4. Step 4: Simplify right side
    21,884.62x = 541,454,790.22
  5. Step 5: Solve for x
    x = 541,454,790.22/21,884.62
  6. Step 6: Final answer
    x = 24,741.34

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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.