Home / 26,378.03-36,404.16-15,767.44

Finding the Fourth Proportional to 26,378.03, 36,404.16 and 15,767.44

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Solution

The fourth proportional to 26,378.03, 36,404.16 and 15,767.44 is: 21,760.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.03 : 36,404.16 = 15,767.44 : x
  2. Step 2: Convert to fraction form
    26,378.03/36,404.16 = 15,767.44/x
  3. Step 3: Cross multiply
    26,378.03x = 36,404.16 × 15,767.44
  4. Step 4: Simplify right side
    26,378.03x = 574,000,147.69
  5. Step 5: Solve for x
    x = 574,000,147.69/26,378.03
  6. Step 6: Final answer
    x = 21,760.54

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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.