Home / 27,971.80-41,957.70-16,912.60

Finding the Fourth Proportional to 27,971.80, 41,957.70 and 16,912.60

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Solution

The fourth proportional to 27,971.80, 41,957.70 and 16,912.60 is: 25,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,971.80 : 41,957.70 = 16,912.60 : x
  2. Step 2: Convert to fraction form
    27,971.80/41,957.70 = 16,912.60/x
  3. Step 3: Cross multiply
    27,971.80x = 41,957.70 × 16,912.60
  4. Step 4: Simplify right side
    27,971.80x = 709,613,797.02
  5. Step 5: Solve for x
    x = 709,613,797.02/27,971.80
  6. Step 6: Final answer
    x = 25,368.90

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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.