Home / 26,147.80-36,081.21-15,535.99

Finding the Fourth Proportional to 26,147.80, 36,081.21 and 15,535.99

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Solution

The fourth proportional to 26,147.80, 36,081.21 and 15,535.99 is: 21,438.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,147.80 : 36,081.21 = 15,535.99 : x
  2. Step 2: Convert to fraction form
    26,147.80/36,081.21 = 15,535.99/x
  3. Step 3: Cross multiply
    26,147.80x = 36,081.21 × 15,535.99
  4. Step 4: Simplify right side
    26,147.80x = 560,557,317.75
  5. Step 5: Solve for x
    x = 560,557,317.75/26,147.80
  6. Step 6: Final answer
    x = 21,438.03

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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.