Home / 28,776.37-43,164.50-9,056.65

Finding the Fourth Proportional to 28,776.37, 43,164.50 and 9,056.65

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Solution

The fourth proportional to 28,776.37, 43,164.50 and 9,056.65 is: 13,584.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,776.37 : 43,164.50 = 9,056.65 : x
  2. Step 2: Convert to fraction form
    28,776.37/43,164.50 = 9,056.65/x
  3. Step 3: Cross multiply
    28,776.37x = 43,164.50 × 9,056.65
  4. Step 4: Simplify right side
    28,776.37x = 390,925,723.64
  5. Step 5: Solve for x
    x = 390,925,723.64/28,776.37
  6. Step 6: Final answer
    x = 13,584.96

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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.