Home / 16,371.21-24,419.09-15,879.27

Finding the Fourth Proportional to 16,371.21, 24,419.09 and 15,879.27

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Solution

The fourth proportional to 16,371.21, 24,419.09 and 15,879.27 is: 23,685.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,371.21 : 24,419.09 = 15,879.27 : x
  2. Step 2: Convert to fraction form
    16,371.21/24,419.09 = 15,879.27/x
  3. Step 3: Cross multiply
    16,371.21x = 24,419.09 × 15,879.27
  4. Step 4: Simplify right side
    16,371.21x = 387,757,323.26
  5. Step 5: Solve for x
    x = 387,757,323.26/16,371.21
  6. Step 6: Final answer
    x = 23,685.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.