Home / 20,371.51-28,083.25-14,303.27

Finding the Fourth Proportional to 20,371.51, 28,083.25 and 14,303.27

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Solution

The fourth proportional to 20,371.51, 28,083.25 and 14,303.27 is: 19,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,371.51 : 28,083.25 = 14,303.27 : x
  2. Step 2: Convert to fraction form
    20,371.51/28,083.25 = 14,303.27/x
  3. Step 3: Cross multiply
    20,371.51x = 28,083.25 × 14,303.27
  4. Step 4: Simplify right side
    20,371.51x = 401,682,341.68
  5. Step 5: Solve for x
    x = 401,682,341.68/20,371.51
  6. Step 6: Final answer
    x = 19,717.85

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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.