Home / 27,485.17-37,930.22-16,868.77

Finding the Fourth Proportional to 27,485.17, 37,930.22 and 16,868.77

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Solution

The fourth proportional to 27,485.17, 37,930.22 and 16,868.77 is: 23,279.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485.17 : 37,930.22 = 16,868.77 : x
  2. Step 2: Convert to fraction form
    27,485.17/37,930.22 = 16,868.77/x
  3. Step 3: Cross multiply
    27,485.17x = 37,930.22 × 16,868.77
  4. Step 4: Simplify right side
    27,485.17x = 639,836,072.89
  5. Step 5: Solve for x
    x = 639,836,072.89/27,485.17
  6. Step 6: Final answer
    x = 23,279.32

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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.