Home / 27,181.60-37,512.40-15,245.70

Finding the Fourth Proportional to 27,181.60, 37,512.40 and 15,245.70

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Solution

The fourth proportional to 27,181.60, 37,512.40 and 15,245.70 is: 21,040.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,181.60 : 37,512.40 = 15,245.70 : x
  2. Step 2: Convert to fraction form
    27,181.60/37,512.40 = 15,245.70/x
  3. Step 3: Cross multiply
    27,181.60x = 37,512.40 × 15,245.70
  4. Step 4: Simplify right side
    27,181.60x = 571,902,796.68
  5. Step 5: Solve for x
    x = 571,902,796.68/27,181.60
  6. Step 6: Final answer
    x = 21,040.07

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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.