Home / 18,291.51-27,419.85-16,323.21

Finding the Fourth Proportional to 18,291.51, 27,419.85 and 16,323.21

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Solution

The fourth proportional to 18,291.51, 27,419.85 and 16,323.21 is: 24,469.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.51 : 27,419.85 = 16,323.21 : x
  2. Step 2: Convert to fraction form
    18,291.51/27,419.85 = 16,323.21/x
  3. Step 3: Cross multiply
    18,291.51x = 27,419.85 × 16,323.21
  4. Step 4: Simplify right side
    18,291.51x = 447,579,969.72
  5. Step 5: Solve for x
    x = 447,579,969.72/18,291.51
  6. Step 6: Final answer
    x = 24,469.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.