Home / 28,576.40-39,441.99-19,016.71

Finding the Fourth Proportional to 28,576.40, 39,441.99 and 19,016.71

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Solution

The fourth proportional to 28,576.40, 39,441.99 and 19,016.71 is: 26,247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,576.40 : 39,441.99 = 19,016.71 : x
  2. Step 2: Convert to fraction form
    28,576.40/39,441.99 = 19,016.71/x
  3. Step 3: Cross multiply
    28,576.40x = 39,441.99 × 19,016.71
  4. Step 4: Simplify right side
    28,576.40x = 750,056,688.44
  5. Step 5: Solve for x
    x = 750,056,688.44/28,576.40
  6. Step 6: Final answer
    x = 26,247.42

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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.