Home / 27,700.49-41,555.60-11,915.21

Finding the Fourth Proportional to 27,700.49, 41,555.60 and 11,915.21

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Solution

The fourth proportional to 27,700.49, 41,555.60 and 11,915.21 is: 17,874.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,700.49 : 41,555.60 = 11,915.21 : x
  2. Step 2: Convert to fraction form
    27,700.49/41,555.60 = 11,915.21/x
  3. Step 3: Cross multiply
    27,700.49x = 41,555.60 × 11,915.21
  4. Step 4: Simplify right side
    27,700.49x = 495,143,700.68
  5. Step 5: Solve for x
    x = 495,143,700.68/27,700.49
  6. Step 6: Final answer
    x = 17,874.91

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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.