Home / 27,480.20-37,923.36-15,542.96

Finding the Fourth Proportional to 27,480.20, 37,923.36 and 15,542.96

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Solution

The fourth proportional to 27,480.20, 37,923.36 and 15,542.96 is: 21,449.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,480.20 : 37,923.36 = 15,542.96 : x
  2. Step 2: Convert to fraction form
    27,480.20/37,923.36 = 15,542.96/x
  3. Step 3: Cross multiply
    27,480.20x = 37,923.36 × 15,542.96
  4. Step 4: Simplify right side
    27,480.20x = 589,441,267.55
  5. Step 5: Solve for x
    x = 589,441,267.55/27,480.20
  6. Step 6: Final answer
    x = 21,449.67

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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.