Home / 26,828.70-40,248.81-8,107.26

Finding the Fourth Proportional to 26,828.70, 40,248.81 and 8,107.26

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Solution

The fourth proportional to 26,828.70, 40,248.81 and 8,107.26 is: 12,162.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,828.70 : 40,248.81 = 8,107.26 : x
  2. Step 2: Convert to fraction form
    26,828.70/40,248.81 = 8,107.26/x
  3. Step 3: Cross multiply
    26,828.70x = 40,248.81 × 8,107.26
  4. Step 4: Simplify right side
    26,828.70x = 326,307,567.36
  5. Step 5: Solve for x
    x = 326,307,567.36/26,828.70
  6. Step 6: Final answer
    x = 12,162.63

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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.