Home / 26,727.80-40,005.30-20,852.60

Finding the Fourth Proportional to 26,727.80, 40,005.30 and 20,852.60

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Solution

The fourth proportional to 26,727.80, 40,005.30 and 20,852.60 is: 31,211.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,727.80 : 40,005.30 = 20,852.60 : x
  2. Step 2: Convert to fraction form
    26,727.80/40,005.30 = 20,852.60/x
  3. Step 3: Cross multiply
    26,727.80x = 40,005.30 × 20,852.60
  4. Step 4: Simplify right side
    26,727.80x = 834,214,518.78
  5. Step 5: Solve for x
    x = 834,214,518.78/26,727.80
  6. Step 6: Final answer
    x = 31,211.49

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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.