Home / 26,540.19-39,816.97-9,900.77

Finding the Fourth Proportional to 26,540.19, 39,816.97 and 9,900.77

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Solution

The fourth proportional to 26,540.19, 39,816.97 and 9,900.77 is: 14,853.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,540.19 : 39,816.97 = 9,900.77 : x
  2. Step 2: Convert to fraction form
    26,540.19/39,816.97 = 9,900.77/x
  3. Step 3: Cross multiply
    26,540.19x = 39,816.97 × 9,900.77
  4. Step 4: Simplify right side
    26,540.19x = 394,218,438.23
  5. Step 5: Solve for x
    x = 394,218,438.23/26,540.19
  6. Step 6: Final answer
    x = 14,853.64

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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.