Home / 26,377.52-39,516.56-20,505.60

Finding the Fourth Proportional to 26,377.52, 39,516.56 and 20,505.60

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Solution

The fourth proportional to 26,377.52, 39,516.56 and 20,505.60 is: 30,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,377.52 : 39,516.56 = 20,505.60 : x
  2. Step 2: Convert to fraction form
    26,377.52/39,516.56 = 20,505.60/x
  3. Step 3: Cross multiply
    26,377.52x = 39,516.56 × 20,505.60
  4. Step 4: Simplify right side
    26,377.52x = 810,310,772.74
  5. Step 5: Solve for x
    x = 810,310,772.74/26,377.52
  6. Step 6: Final answer
    x = 30,719.75

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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.