Home / 27,380.82-37,785.48-14,805.60

Finding the Fourth Proportional to 27,380.82, 37,785.48 and 14,805.60

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Solution

The fourth proportional to 27,380.82, 37,785.48 and 14,805.60 is: 20,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.82 : 37,785.48 = 14,805.60 : x
  2. Step 2: Convert to fraction form
    27,380.82/37,785.48 = 14,805.60/x
  3. Step 3: Cross multiply
    27,380.82x = 37,785.48 × 14,805.60
  4. Step 4: Simplify right side
    27,380.82x = 559,436,702.69
  5. Step 5: Solve for x
    x = 559,436,702.69/27,380.82
  6. Step 6: Final answer
    x = 20,431.70

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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.