Home / 26,104.80-39,157.56-18,771.60

Finding the Fourth Proportional to 26,104.80, 39,157.56 and 18,771.60

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Solution

The fourth proportional to 26,104.80, 39,157.56 and 18,771.60 is: 28,157.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,104.80 : 39,157.56 = 18,771.60 : x
  2. Step 2: Convert to fraction form
    26,104.80/39,157.56 = 18,771.60/x
  3. Step 3: Cross multiply
    26,104.80x = 39,157.56 × 18,771.60
  4. Step 4: Simplify right side
    26,104.80x = 735,050,053.30
  5. Step 5: Solve for x
    x = 735,050,053.30/26,104.80
  6. Step 6: Final answer
    x = 28,157.66

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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.