Home / 27,013.68-37,279.20-15,076.80

Finding the Fourth Proportional to 27,013.68, 37,279.20 and 15,076.80

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Solution

The fourth proportional to 27,013.68, 37,279.20 and 15,076.80 is: 20,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,013.68 : 37,279.20 = 15,076.80 : x
  2. Step 2: Convert to fraction form
    27,013.68/37,279.20 = 15,076.80/x
  3. Step 3: Cross multiply
    27,013.68x = 37,279.20 × 15,076.80
  4. Step 4: Simplify right side
    27,013.68x = 562,051,042.56
  5. Step 5: Solve for x
    x = 562,051,042.56/27,013.68
  6. Step 6: Final answer
    x = 20,806.16

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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.