Home / 20,727.24-31,101.86-9,041.37

Finding the Fourth Proportional to 20,727.24, 31,101.86 and 9,041.37

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Solution

The fourth proportional to 20,727.24, 31,101.86 and 9,041.37 is: 13,566.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727.24 : 31,101.86 = 9,041.37 : x
  2. Step 2: Convert to fraction form
    20,727.24/31,101.86 = 9,041.37/x
  3. Step 3: Cross multiply
    20,727.24x = 31,101.86 × 9,041.37
  4. Step 4: Simplify right side
    20,727.24x = 281,203,423.95
  5. Step 5: Solve for x
    x = 281,203,423.95/20,727.24
  6. Step 6: Final answer
    x = 13,566.85

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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.