Home / 28,529.35-39,370.27-15,954.10

Finding the Fourth Proportional to 28,529.35, 39,370.27 and 15,954.10

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Solution

The fourth proportional to 28,529.35, 39,370.27 and 15,954.10 is: 22,016.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529.35 : 39,370.27 = 15,954.10 : x
  2. Step 2: Convert to fraction form
    28,529.35/39,370.27 = 15,954.10/x
  3. Step 3: Cross multiply
    28,529.35x = 39,370.27 × 15,954.10
  4. Step 4: Simplify right side
    28,529.35x = 628,117,224.61
  5. Step 5: Solve for x
    x = 628,117,224.61/28,529.35
  6. Step 6: Final answer
    x = 22,016.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.