Home / 28,827.36-39,772.68-22,758.48

Finding the Fourth Proportional to 28,827.36, 39,772.68 and 22,758.48

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Solution

The fourth proportional to 28,827.36, 39,772.68 and 22,758.48 is: 31,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827.36 : 39,772.68 = 22,758.48 : x
  2. Step 2: Convert to fraction form
    28,827.36/39,772.68 = 22,758.48/x
  3. Step 3: Cross multiply
    28,827.36x = 39,772.68 × 22,758.48
  4. Step 4: Simplify right side
    28,827.36x = 905,165,742.33
  5. Step 5: Solve for x
    x = 905,165,742.33/28,827.36
  6. Step 6: Final answer
    x = 31,399.54

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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.