Home / 26,559.42-36,651.60-15,811.80

Finding the Fourth Proportional to 26,559.42, 36,651.60 and 15,811.80

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Solution

The fourth proportional to 26,559.42, 36,651.60 and 15,811.80 is: 21,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,559.42 : 36,651.60 = 15,811.80 : x
  2. Step 2: Convert to fraction form
    26,559.42/36,651.60 = 15,811.80/x
  3. Step 3: Cross multiply
    26,559.42x = 36,651.60 × 15,811.80
  4. Step 4: Simplify right side
    26,559.42x = 579,527,768.88
  5. Step 5: Solve for x
    x = 579,527,768.88/26,559.42
  6. Step 6: Final answer
    x = 21,820.05

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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.