Home / 26,177.61-36,138.47-20,195.85

Finding the Fourth Proportional to 26,177.61, 36,138.47 and 20,195.85

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Solution

The fourth proportional to 26,177.61, 36,138.47 and 20,195.85 is: 27,880.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,177.61 : 36,138.47 = 20,195.85 : x
  2. Step 2: Convert to fraction form
    26,177.61/36,138.47 = 20,195.85/x
  3. Step 3: Cross multiply
    26,177.61x = 36,138.47 × 20,195.85
  4. Step 4: Simplify right side
    26,177.61x = 729,847,119.35
  5. Step 5: Solve for x
    x = 729,847,119.35/26,177.61
  6. Step 6: Final answer
    x = 27,880.59

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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.