Home / 17,138.64-25,690.68-16,395.60

Finding the Fourth Proportional to 17,138.64, 25,690.68 and 16,395.60

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Solution

The fourth proportional to 17,138.64, 25,690.68 and 16,395.60 is: 24,576.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,138.64 : 25,690.68 = 16,395.60 : x
  2. Step 2: Convert to fraction form
    17,138.64/25,690.68 = 16,395.60/x
  3. Step 3: Cross multiply
    17,138.64x = 25,690.68 × 16,395.60
  4. Step 4: Simplify right side
    17,138.64x = 421,214,113.01
  5. Step 5: Solve for x
    x = 421,214,113.01/17,138.64
  6. Step 6: Final answer
    x = 24,576.87

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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.