Home / 27,112.12-37,415.76-15,014.14

Finding the Fourth Proportional to 27,112.12, 37,415.76 and 15,014.14

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Solution

The fourth proportional to 27,112.12, 37,415.76 and 15,014.14 is: 20,720.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,112.12 : 37,415.76 = 15,014.14 : x
  2. Step 2: Convert to fraction form
    27,112.12/37,415.76 = 15,014.14/x
  3. Step 3: Cross multiply
    27,112.12x = 37,415.76 × 15,014.14
  4. Step 4: Simplify right side
    27,112.12x = 561,765,458.85
  5. Step 5: Solve for x
    x = 561,765,458.85/27,112.12
  6. Step 6: Final answer
    x = 20,720.09

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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.