Home / 26,352.64-36,379.92-20,370.80

Finding the Fourth Proportional to 26,352.64, 36,379.92 and 20,370.80

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Solution

The fourth proportional to 26,352.64, 36,379.92 and 20,370.80 is: 28,121.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,352.64 : 36,379.92 = 20,370.80 : x
  2. Step 2: Convert to fraction form
    26,352.64/36,379.92 = 20,370.80/x
  3. Step 3: Cross multiply
    26,352.64x = 36,379.92 × 20,370.80
  4. Step 4: Simplify right side
    26,352.64x = 741,088,074.34
  5. Step 5: Solve for x
    x = 741,088,074.34/26,352.64
  6. Step 6: Final answer
    x = 28,121.97

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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.