Home / 28,435.68-39,233.79-17,101.44

Finding the Fourth Proportional to 28,435.68, 39,233.79 and 17,101.44

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Solution

The fourth proportional to 28,435.68, 39,233.79 and 17,101.44 is: 23,595.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,435.68 : 39,233.79 = 17,101.44 : x
  2. Step 2: Convert to fraction form
    28,435.68/39,233.79 = 17,101.44/x
  3. Step 3: Cross multiply
    28,435.68x = 39,233.79 × 17,101.44
  4. Step 4: Simplify right side
    28,435.68x = 670,954,305.66
  5. Step 5: Solve for x
    x = 670,954,305.66/28,435.68
  6. Step 6: Final answer
    x = 23,595.51

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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.