Home / 26,516.82-36,599.10-20,762.84

Finding the Fourth Proportional to 26,516.82, 36,599.10 and 20,762.84

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Solution

The fourth proportional to 26,516.82, 36,599.10 and 20,762.84 is: 28,657.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,516.82 : 36,599.10 = 20,762.84 : x
  2. Step 2: Convert to fraction form
    26,516.82/36,599.10 = 20,762.84/x
  3. Step 3: Cross multiply
    26,516.82x = 36,599.10 × 20,762.84
  4. Step 4: Simplify right side
    26,516.82x = 759,901,257.44
  5. Step 5: Solve for x
    x = 759,901,257.44/26,516.82
  6. Step 6: Final answer
    x = 28,657.33

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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.