Home / 27,502.20-41,301.90-21,277.35

Finding the Fourth Proportional to 27,502.20, 41,301.90 and 21,277.35

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Solution

The fourth proportional to 27,502.20, 41,301.90 and 21,277.35 is: 31,953.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,502.20 : 41,301.90 = 21,277.35 : x
  2. Step 2: Convert to fraction form
    27,502.20/41,301.90 = 21,277.35/x
  3. Step 3: Cross multiply
    27,502.20x = 41,301.90 × 21,277.35
  4. Step 4: Simplify right side
    27,502.20x = 878,794,981.97
  5. Step 5: Solve for x
    x = 878,794,981.97/27,502.20
  6. Step 6: Final answer
    x = 31,953.62

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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.