Home / 20,433.56-30,504.51-17,292.47

Finding the Fourth Proportional to 20,433.56, 30,504.51 and 17,292.47

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Solution

The fourth proportional to 20,433.56, 30,504.51 and 17,292.47 is: 25,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433.56 : 30,504.51 = 17,292.47 : x
  2. Step 2: Convert to fraction form
    20,433.56/30,504.51 = 17,292.47/x
  3. Step 3: Cross multiply
    20,433.56x = 30,504.51 × 17,292.47
  4. Step 4: Simplify right side
    20,433.56x = 527,498,171.52
  5. Step 5: Solve for x
    x = 527,498,171.52/20,433.56
  6. Step 6: Final answer
    x = 25,815.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.