Home / 27,904.30-41,756.21-20,490.37

Finding the Fourth Proportional to 27,904.30, 41,756.21 and 20,490.37

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Solution

The fourth proportional to 27,904.30, 41,756.21 and 20,490.37 is: 30,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,904.30 : 41,756.21 = 20,490.37 : x
  2. Step 2: Convert to fraction form
    27,904.30/41,756.21 = 20,490.37/x
  3. Step 3: Cross multiply
    27,904.30x = 41,756.21 × 20,490.37
  4. Step 4: Simplify right side
    27,904.30x = 855,600,062.69
  5. Step 5: Solve for x
    x = 855,600,062.69/27,904.30
  6. Step 6: Final answer
    x = 30,661.95

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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.