Home / 28,524.41-39,371.91-20,028.60

Finding the Fourth Proportional to 28,524.41, 39,371.91 and 20,028.60

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Solution

The fourth proportional to 28,524.41, 39,371.91 and 20,028.60 is: 27,645.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,524.41 : 39,371.91 = 20,028.60 : x
  2. Step 2: Convert to fraction form
    28,524.41/39,371.91 = 20,028.60/x
  3. Step 3: Cross multiply
    28,524.41x = 39,371.91 × 20,028.60
  4. Step 4: Simplify right side
    28,524.41x = 788,564,236.63
  5. Step 5: Solve for x
    x = 788,564,236.63/28,524.41
  6. Step 6: Final answer
    x = 27,645.24

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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.