Home / 27,380.48-37,782.72-15,441.44

Finding the Fourth Proportional to 27,380.48, 37,782.72 and 15,441.44

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Solution

The fourth proportional to 27,380.48, 37,782.72 and 15,441.44 is: 21,307.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.48 : 37,782.72 = 15,441.44 : x
  2. Step 2: Convert to fraction form
    27,380.48/37,782.72 = 15,441.44/x
  3. Step 3: Cross multiply
    27,380.48x = 37,782.72 × 15,441.44
  4. Step 4: Simplify right side
    27,380.48x = 583,419,603.92
  5. Step 5: Solve for x
    x = 583,419,603.92/27,380.48
  6. Step 6: Final answer
    x = 21,307.87

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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.