Home / 26,804.86-40,220.39-18,957.80

Finding the Fourth Proportional to 26,804.86, 40,220.39 and 18,957.80

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Solution

The fourth proportional to 26,804.86, 40,220.39 and 18,957.80 is: 28,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,804.86 : 40,220.39 = 18,957.80 : x
  2. Step 2: Convert to fraction form
    26,804.86/40,220.39 = 18,957.80/x
  3. Step 3: Cross multiply
    26,804.86x = 40,220.39 × 18,957.80
  4. Step 4: Simplify right side
    26,804.86x = 762,490,075.44
  5. Step 5: Solve for x
    x = 762,490,075.44/26,804.86
  6. Step 6: Final answer
    x = 28,445.97

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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.