Home / 20,735.43-28,614.85-11,304.01

Finding the Fourth Proportional to 20,735.43, 28,614.85 and 11,304.01

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Solution

The fourth proportional to 20,735.43, 28,614.85 and 11,304.01 is: 15,599.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735.43 : 28,614.85 = 11,304.01 : x
  2. Step 2: Convert to fraction form
    20,735.43/28,614.85 = 11,304.01/x
  3. Step 3: Cross multiply
    20,735.43x = 28,614.85 × 11,304.01
  4. Step 4: Simplify right side
    20,735.43x = 323,462,550.55
  5. Step 5: Solve for x
    x = 323,462,550.55/20,735.43
  6. Step 6: Final answer
    x = 15,599.51

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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.