Home / 26,144.80-36,077.60-15,536.96

Finding the Fourth Proportional to 26,144.80, 36,077.60 and 15,536.96

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Solution

The fourth proportional to 26,144.80, 36,077.60 and 15,536.96 is: 21,439.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,144.80 : 36,077.60 = 15,536.96 : x
  2. Step 2: Convert to fraction form
    26,144.80/36,077.60 = 15,536.96/x
  3. Step 3: Cross multiply
    26,144.80x = 36,077.60 × 15,536.96
  4. Step 4: Simplify right side
    26,144.80x = 560,536,228.10
  5. Step 5: Solve for x
    x = 560,536,228.10/26,144.80
  6. Step 6: Final answer
    x = 21,439.68

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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.