Home / 27,009.45-37,273.07-15,072.78

Finding the Fourth Proportional to 27,009.45, 37,273.07 and 15,072.78

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Solution

The fourth proportional to 27,009.45, 37,273.07 and 15,072.78 is: 20,800.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009.45 : 37,273.07 = 15,072.78 : x
  2. Step 2: Convert to fraction form
    27,009.45/37,273.07 = 15,072.78/x
  3. Step 3: Cross multiply
    27,009.45x = 37,273.07 × 15,072.78
  4. Step 4: Simplify right side
    27,009.45x = 561,808,961.49
  5. Step 5: Solve for x
    x = 561,808,961.49/27,009.45
  6. Step 6: Final answer
    x = 20,800.46

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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.