Home / 20,199.84-27,868.04-14,907.28

Finding the Fourth Proportional to 20,199.84, 27,868.04 and 14,907.28

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Solution

The fourth proportional to 20,199.84, 27,868.04 and 14,907.28 is: 20,566.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.84 : 27,868.04 = 14,907.28 : x
  2. Step 2: Convert to fraction form
    20,199.84/27,868.04 = 14,907.28/x
  3. Step 3: Cross multiply
    20,199.84x = 27,868.04 × 14,907.28
  4. Step 4: Simplify right side
    20,199.84x = 415,436,675.33
  5. Step 5: Solve for x
    x = 415,436,675.33/20,199.84
  6. Step 6: Final answer
    x = 20,566.33

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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.