Home / 17,722.56-26,558.40-13,755.20

Finding the Fourth Proportional to 17,722.56, 26,558.40 and 13,755.20

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Solution

The fourth proportional to 17,722.56, 26,558.40 and 13,755.20 is: 20,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,722.56 : 26,558.40 = 13,755.20 : x
  2. Step 2: Convert to fraction form
    17,722.56/26,558.40 = 13,755.20/x
  3. Step 3: Cross multiply
    17,722.56x = 26,558.40 × 13,755.20
  4. Step 4: Simplify right side
    17,722.56x = 365,316,103.68
  5. Step 5: Solve for x
    x = 365,316,103.68/17,722.56
  6. Step 6: Final answer
    x = 20,613.05

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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.