Home / 27,988.99-41,977.24-16,880.38

Finding the Fourth Proportional to 27,988.99, 41,977.24 and 16,880.38

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Solution

The fourth proportional to 27,988.99, 41,977.24 and 16,880.38 is: 25,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,988.99 : 41,977.24 = 16,880.38 : x
  2. Step 2: Convert to fraction form
    27,988.99/41,977.24 = 16,880.38/x
  3. Step 3: Cross multiply
    27,988.99x = 41,977.24 × 16,880.38
  4. Step 4: Simplify right side
    27,988.99x = 708,591,615.41
  5. Step 5: Solve for x
    x = 708,591,615.41/27,988.99
  6. Step 6: Final answer
    x = 25,316.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.