Home / 28,651.46-43,025.66-18,673.16

Finding the Fourth Proportional to 28,651.46, 43,025.66 and 18,673.16

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Solution

The fourth proportional to 28,651.46, 43,025.66 and 18,673.16 is: 28,041.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,651.46 : 43,025.66 = 18,673.16 : x
  2. Step 2: Convert to fraction form
    28,651.46/43,025.66 = 18,673.16/x
  3. Step 3: Cross multiply
    28,651.46x = 43,025.66 × 18,673.16
  4. Step 4: Simplify right side
    28,651.46x = 803,425,187.53
  5. Step 5: Solve for x
    x = 803,425,187.53/28,651.46
  6. Step 6: Final answer
    x = 28,041.33

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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.