Home / 28,682.87-39,561.29-16,745.50

Finding the Fourth Proportional to 28,682.87, 39,561.29 and 16,745.50

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Solution

The fourth proportional to 28,682.87, 39,561.29 and 16,745.50 is: 23,096.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,682.87 : 39,561.29 = 16,745.50 : x
  2. Step 2: Convert to fraction form
    28,682.87/39,561.29 = 16,745.50/x
  3. Step 3: Cross multiply
    28,682.87x = 39,561.29 × 16,745.50
  4. Step 4: Simplify right side
    28,682.87x = 662,473,383.89
  5. Step 5: Solve for x
    x = 662,473,383.89/28,682.87
  6. Step 6: Final answer
    x = 23,096.48

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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.