Home / 20,735.78-28,614.60-11,304.14

Finding the Fourth Proportional to 20,735.78, 28,614.60 and 11,304.14

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Solution

The fourth proportional to 20,735.78, 28,614.60 and 11,304.14 is: 15,599.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735.78 : 28,614.60 = 11,304.14 : x
  2. Step 2: Convert to fraction form
    20,735.78/28,614.60 = 11,304.14/x
  3. Step 3: Cross multiply
    20,735.78x = 28,614.60 × 11,304.14
  4. Step 4: Simplify right side
    20,735.78x = 323,463,444.44
  5. Step 5: Solve for x
    x = 323,463,444.44/20,735.78
  6. Step 6: Final answer
    x = 15,599.29

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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.