Home / 27,081.36-37,372.14-15,144.84

Finding the Fourth Proportional to 27,081.36, 37,372.14 and 15,144.84

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Solution

The fourth proportional to 27,081.36, 37,372.14 and 15,144.84 is: 20,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.36 : 37,372.14 = 15,144.84 : x
  2. Step 2: Convert to fraction form
    27,081.36/37,372.14 = 15,144.84/x
  3. Step 3: Cross multiply
    27,081.36x = 37,372.14 × 15,144.84
  4. Step 4: Simplify right side
    27,081.36x = 565,995,080.76
  5. Step 5: Solve for x
    x = 565,995,080.76/27,081.36
  6. Step 6: Final answer
    x = 20,899.80

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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.