Home / 27,503.40-41,255.10-17,661.90

Finding the Fourth Proportional to 27,503.40, 41,255.10 and 17,661.90

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Solution

The fourth proportional to 27,503.40, 41,255.10 and 17,661.90 is: 26,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,503.40 : 41,255.10 = 17,661.90 : x
  2. Step 2: Convert to fraction form
    27,503.40/41,255.10 = 17,661.90/x
  3. Step 3: Cross multiply
    27,503.40x = 41,255.10 × 17,661.90
  4. Step 4: Simplify right side
    27,503.40x = 728,643,450.69
  5. Step 5: Solve for x
    x = 728,643,450.69/27,503.40
  6. Step 6: Final answer
    x = 26,492.85

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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.