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Finding the Fourth Proportional to 26,706.60, 40,041.44 and 11,706.52

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Solution

The fourth proportional to 26,706.60, 40,041.44 and 11,706.52 is: 17,551.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,706.60 : 40,041.44 = 11,706.52 : x
  2. Step 2: Convert to fraction form
    26,706.60/40,041.44 = 11,706.52/x
  3. Step 3: Cross multiply
    26,706.60x = 40,041.44 × 11,706.52
  4. Step 4: Simplify right side
    26,706.60x = 468,745,918.19
  5. Step 5: Solve for x
    x = 468,745,918.19/26,706.60
  6. Step 6: Final answer
    x = 17,551.69

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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.