Home / 27,074.86-37,364.50-15,138.21

Finding the Fourth Proportional to 27,074.86, 37,364.50 and 15,138.21

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Solution

The fourth proportional to 27,074.86, 37,364.50 and 15,138.21 is: 20,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,074.86 : 37,364.50 = 15,138.21 : x
  2. Step 2: Convert to fraction form
    27,074.86/37,364.50 = 15,138.21/x
  3. Step 3: Cross multiply
    27,074.86x = 37,364.50 × 15,138.21
  4. Step 4: Simplify right side
    27,074.86x = 565,631,469.58
  5. Step 5: Solve for x
    x = 565,631,469.58/27,074.86
  6. Step 6: Final answer
    x = 20,891.39

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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.