Home / 27,057.72-37,336.86-15,120.72

Finding the Fourth Proportional to 27,057.72, 37,336.86 and 15,120.72

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Solution

The fourth proportional to 27,057.72, 37,336.86 and 15,120.72 is: 20,865.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,057.72 : 37,336.86 = 15,120.72 : x
  2. Step 2: Convert to fraction form
    27,057.72/37,336.86 = 15,120.72/x
  3. Step 3: Cross multiply
    27,057.72x = 37,336.86 × 15,120.72
  4. Step 4: Simplify right side
    27,057.72x = 564,560,205.74
  5. Step 5: Solve for x
    x = 564,560,205.74/27,057.72
  6. Step 6: Final answer
    x = 20,865.03

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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.