Home / 20,723.26-28,598.97-11,292.34

Finding the Fourth Proportional to 20,723.26, 28,598.97 and 11,292.34

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Solution

The fourth proportional to 20,723.26, 28,598.97 and 11,292.34 is: 15,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723.26 : 28,598.97 = 11,292.34 : x
  2. Step 2: Convert to fraction form
    20,723.26/28,598.97 = 11,292.34/x
  3. Step 3: Cross multiply
    20,723.26x = 28,598.97 × 11,292.34
  4. Step 4: Simplify right side
    20,723.26x = 322,949,292.89
  5. Step 5: Solve for x
    x = 322,949,292.89/20,723.26
  6. Step 6: Final answer
    x = 15,583.90

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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.