Home / 28,450.23-42,667.44-8,464.11

Finding the Fourth Proportional to 28,450.23, 42,667.44 and 8,464.11

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Solution

The fourth proportional to 28,450.23, 42,667.44 and 8,464.11 is: 12,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,450.23 : 42,667.44 = 8,464.11 : x
  2. Step 2: Convert to fraction form
    28,450.23/42,667.44 = 8,464.11/x
  3. Step 3: Cross multiply
    28,450.23x = 42,667.44 × 8,464.11
  4. Step 4: Simplify right side
    28,450.23x = 361,141,905.58
  5. Step 5: Solve for x
    x = 361,141,905.58/28,450.23
  6. Step 6: Final answer
    x = 12,693.81

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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.