Home / 20,735.94-28,616.04-11,304.57

Finding the Fourth Proportional to 20,735.94, 28,616.04 and 11,304.57

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Solution

The fourth proportional to 20,735.94, 28,616.04 and 11,304.57 is: 15,600.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735.94 : 28,616.04 = 11,304.57 : x
  2. Step 2: Convert to fraction form
    20,735.94/28,616.04 = 11,304.57/x
  3. Step 3: Cross multiply
    20,735.94x = 28,616.04 × 11,304.57
  4. Step 4: Simplify right side
    20,735.94x = 323,492,027.30
  5. Step 5: Solve for x
    x = 323,492,027.30/20,735.94
  6. Step 6: Final answer
    x = 15,600.55

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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.