Home / 27,776.46-38,291.67-19,804.86

Finding the Fourth Proportional to 27,776.46, 38,291.67 and 19,804.86

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Solution

The fourth proportional to 27,776.46, 38,291.67 and 19,804.86 is: 27,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,776.46 : 38,291.67 = 19,804.86 : x
  2. Step 2: Convert to fraction form
    27,776.46/38,291.67 = 19,804.86/x
  3. Step 3: Cross multiply
    27,776.46x = 38,291.67 × 19,804.86
  4. Step 4: Simplify right side
    27,776.46x = 758,361,163.52
  5. Step 5: Solve for x
    x = 758,361,163.52/27,776.46
  6. Step 6: Final answer
    x = 27,302.30

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1.5x scale

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.