Home / 27,440.52-41,117.85-21,215.88

Finding the Fourth Proportional to 27,440.52, 41,117.85 and 21,215.88

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Solution

The fourth proportional to 27,440.52, 41,117.85 and 21,215.88 is: 31,790.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,440.52 : 41,117.85 = 21,215.88 : x
  2. Step 2: Convert to fraction form
    27,440.52/41,117.85 = 21,215.88/x
  3. Step 3: Cross multiply
    27,440.52x = 41,117.85 × 21,215.88
  4. Step 4: Simplify right side
    27,440.52x = 872,351,371.46
  5. Step 5: Solve for x
    x = 872,351,371.46/27,440.52
  6. Step 6: Final answer
    x = 31,790.63

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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.