Home / 27,755.54-41,639.45-12,956.37

Finding the Fourth Proportional to 27,755.54, 41,639.45 and 12,956.37

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Solution

The fourth proportional to 27,755.54, 41,639.45 and 12,956.37 is: 19,437.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,755.54 : 41,639.45 = 12,956.37 : x
  2. Step 2: Convert to fraction form
    27,755.54/41,639.45 = 12,956.37/x
  3. Step 3: Cross multiply
    27,755.54x = 41,639.45 × 12,956.37
  4. Step 4: Simplify right side
    27,755.54x = 539,496,056.01
  5. Step 5: Solve for x
    x = 539,496,056.01/27,755.54
  6. Step 6: Final answer
    x = 19,437.42

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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.