Home / 27,063.88-37,348.82-15,129.20

Finding the Fourth Proportional to 27,063.88, 37,348.82 and 15,129.20

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Solution

The fourth proportional to 27,063.88, 37,348.82 and 15,129.20 is: 20,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,063.88 : 37,348.82 = 15,129.20 : x
  2. Step 2: Convert to fraction form
    27,063.88/37,348.82 = 15,129.20/x
  3. Step 3: Cross multiply
    27,063.88x = 37,348.82 × 15,129.20
  4. Step 4: Simplify right side
    27,063.88x = 565,057,767.54
  5. Step 5: Solve for x
    x = 565,057,767.54/27,063.88
  6. Step 6: Final answer
    x = 20,878.67

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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.