Home / 27,172.33-37,499.74-15,076.78

Finding the Fourth Proportional to 27,172.33, 37,499.74 and 15,076.78

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Solution

The fourth proportional to 27,172.33, 37,499.74 and 15,076.78 is: 20,807.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,172.33 : 37,499.74 = 15,076.78 : x
  2. Step 2: Convert to fraction form
    27,172.33/37,499.74 = 15,076.78/x
  3. Step 3: Cross multiply
    27,172.33x = 37,499.74 × 15,076.78
  4. Step 4: Simplify right side
    27,172.33x = 565,375,330.04
  5. Step 5: Solve for x
    x = 565,375,330.04/27,172.33
  6. Step 6: Final answer
    x = 20,807.02

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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.