Home / 20,185.04-30,303.48-17,126.48

Finding the Fourth Proportional to 20,185.04, 30,303.48 and 17,126.48

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Solution

The fourth proportional to 20,185.04, 30,303.48 and 17,126.48 is: 25,711.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185.04 : 30,303.48 = 17,126.48 : x
  2. Step 2: Convert to fraction form
    20,185.04/30,303.48 = 17,126.48/x
  3. Step 3: Cross multiply
    20,185.04x = 30,303.48 × 17,126.48
  4. Step 4: Simplify right side
    20,185.04x = 518,991,944.15
  5. Step 5: Solve for x
    x = 518,991,944.15/20,185.04
  6. Step 6: Final answer
    x = 25,711.71

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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.