Home / 20,552.24-28,375.80-13,847.84

Finding the Fourth Proportional to 20,552.24, 28,375.80 and 13,847.84

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Solution

The fourth proportional to 20,552.24, 28,375.80 and 13,847.84 is: 19,119.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.24 : 28,375.80 = 13,847.84 : x
  2. Step 2: Convert to fraction form
    20,552.24/28,375.80 = 13,847.84/x
  3. Step 3: Cross multiply
    20,552.24x = 28,375.80 × 13,847.84
  4. Step 4: Simplify right side
    20,552.24x = 392,943,538.27
  5. Step 5: Solve for x
    x = 392,943,538.27/20,552.24
  6. Step 6: Final answer
    x = 19,119.26

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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.