Home / 20,304.36-30,500.52-17,190.72

Finding the Fourth Proportional to 20,304.36, 30,500.52 and 17,190.72

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Solution

The fourth proportional to 20,304.36, 30,500.52 and 17,190.72 is: 25,823.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,304.36 : 30,500.52 = 17,190.72 : x
  2. Step 2: Convert to fraction form
    20,304.36/30,500.52 = 17,190.72/x
  3. Step 3: Cross multiply
    20,304.36x = 30,500.52 × 17,190.72
  4. Step 4: Simplify right side
    20,304.36x = 524,325,899.17
  5. Step 5: Solve for x
    x = 524,325,899.17/20,304.36
  6. Step 6: Final answer
    x = 25,823.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.