Home / 27,385.20-37,791.50-15,448.50

Finding the Fourth Proportional to 27,385.20, 37,791.50 and 15,448.50

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Solution

The fourth proportional to 27,385.20, 37,791.50 and 15,448.50 is: 21,318.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,385.20 : 37,791.50 = 15,448.50 : x
  2. Step 2: Convert to fraction form
    27,385.20/37,791.50 = 15,448.50/x
  3. Step 3: Cross multiply
    27,385.20x = 37,791.50 × 15,448.50
  4. Step 4: Simplify right side
    27,385.20x = 583,821,910.51
  5. Step 5: Solve for x
    x = 583,821,910.51/27,385.20
  6. Step 6: Final answer
    x = 21,318.88

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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.