Home / 28,361.10-39,137.67-17,756.58

Finding the Fourth Proportional to 28,361.10, 39,137.67 and 17,756.58

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Solution

The fourth proportional to 28,361.10, 39,137.67 and 17,756.58 is: 24,503.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361.10 : 39,137.67 = 17,756.58 : x
  2. Step 2: Convert to fraction form
    28,361.10/39,137.67 = 17,756.58/x
  3. Step 3: Cross multiply
    28,361.10x = 39,137.67 × 17,756.58
  4. Step 4: Simplify right side
    28,361.10x = 694,951,168.37
  5. Step 5: Solve for x
    x = 694,951,168.37/28,361.10
  6. Step 6: Final answer
    x = 24,503.67

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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.