Home / 27,970.80-41,883.30-18,056.40

Finding the Fourth Proportional to 27,970.80, 41,883.30 and 18,056.40

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Solution

The fourth proportional to 27,970.80, 41,883.30 and 18,056.40 is: 27,037.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,970.80 : 41,883.30 = 18,056.40 : x
  2. Step 2: Convert to fraction form
    27,970.80/41,883.30 = 18,056.40/x
  3. Step 3: Cross multiply
    27,970.80x = 41,883.30 × 18,056.40
  4. Step 4: Simplify right side
    27,970.80x = 756,261,618.12
  5. Step 5: Solve for x
    x = 756,261,618.12/27,970.80
  6. Step 6: Final answer
    x = 27,037.54

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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.