Home / 28,361.92-42,528.68-16,519.72

Finding the Fourth Proportional to 28,361.92, 42,528.68 and 16,519.72

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Solution

The fourth proportional to 28,361.92, 42,528.68 and 16,519.72 is: 24,771.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361.92 : 42,528.68 = 16,519.72 : x
  2. Step 2: Convert to fraction form
    28,361.92/42,528.68 = 16,519.72/x
  3. Step 3: Cross multiply
    28,361.92x = 42,528.68 × 16,519.72
  4. Step 4: Simplify right side
    28,361.92x = 702,561,885.57
  5. Step 5: Solve for x
    x = 702,561,885.57/28,361.92
  6. Step 6: Final answer
    x = 24,771.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.