Home / 20,338.37-30,554.23-14,429.82

Finding the Fourth Proportional to 20,338.37, 30,554.23 and 14,429.82

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Solution

The fourth proportional to 20,338.37, 30,554.23 and 14,429.82 is: 21,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,338.37 : 30,554.23 = 14,429.82 : x
  2. Step 2: Convert to fraction form
    20,338.37/30,554.23 = 14,429.82/x
  3. Step 3: Cross multiply
    20,338.37x = 30,554.23 × 14,429.82
  4. Step 4: Simplify right side
    20,338.37x = 440,892,039.14
  5. Step 5: Solve for x
    x = 440,892,039.14/20,338.37
  6. Step 6: Final answer
    x = 21,677.85

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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.