Home / 27,726.55-38,269.52-15,796.98

Finding the Fourth Proportional to 27,726.55, 38,269.52 and 15,796.98

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Solution

The fourth proportional to 27,726.55, 38,269.52 and 15,796.98 is: 21,803.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,726.55 : 38,269.52 = 15,796.98 : x
  2. Step 2: Convert to fraction form
    27,726.55/38,269.52 = 15,796.98/x
  3. Step 3: Cross multiply
    27,726.55x = 38,269.52 × 15,796.98
  4. Step 4: Simplify right side
    27,726.55x = 604,542,842.05
  5. Step 5: Solve for x
    x = 604,542,842.05/27,726.55
  6. Step 6: Final answer
    x = 21,803.75

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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.