Home / 27,485.32-41,204.89-19,140.70

Finding the Fourth Proportional to 27,485.32, 41,204.89 and 19,140.70

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Solution

The fourth proportional to 27,485.32, 41,204.89 and 19,140.70 is: 28,694.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485.32 : 41,204.89 = 19,140.70 : x
  2. Step 2: Convert to fraction form
    27,485.32/41,204.89 = 19,140.70/x
  3. Step 3: Cross multiply
    27,485.32x = 41,204.89 × 19,140.70
  4. Step 4: Simplify right side
    27,485.32x = 788,690,438.02
  5. Step 5: Solve for x
    x = 788,690,438.02/27,485.32
  6. Step 6: Final answer
    x = 28,694.97

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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.