Home / 26,321.11-36,311.47-15,704.57

Finding the Fourth Proportional to 26,321.11, 36,311.47 and 15,704.57

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Solution

The fourth proportional to 26,321.11, 36,311.47 and 15,704.57 is: 21,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,321.11 : 36,311.47 = 15,704.57 : x
  2. Step 2: Convert to fraction form
    26,321.11/36,311.47 = 15,704.57/x
  3. Step 3: Cross multiply
    26,321.11x = 36,311.47 × 15,704.57
  4. Step 4: Simplify right side
    26,321.11x = 570,256,073.94
  5. Step 5: Solve for x
    x = 570,256,073.94/26,321.11
  6. Step 6: Final answer
    x = 21,665.35

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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.