Home / 26,766.40-40,107.90-10,117.35

Finding the Fourth Proportional to 26,766.40, 40,107.90 and 10,117.35

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Solution

The fourth proportional to 26,766.40, 40,107.90 and 10,117.35 is: 15,160.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,766.40 : 40,107.90 = 10,117.35 : x
  2. Step 2: Convert to fraction form
    26,766.40/40,107.90 = 10,117.35/x
  3. Step 3: Cross multiply
    26,766.40x = 40,107.90 × 10,117.35
  4. Step 4: Simplify right side
    26,766.40x = 405,785,662.07
  5. Step 5: Solve for x
    x = 405,785,662.07/26,766.40
  6. Step 6: Final answer
    x = 15,160.26

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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.