Home / 17,271.20-25,906.80-15,740.30

Finding the Fourth Proportional to 17,271.20, 25,906.80 and 15,740.30

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Solution

The fourth proportional to 17,271.20, 25,906.80 and 15,740.30 is: 23,610.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,271.20 : 25,906.80 = 15,740.30 : x
  2. Step 2: Convert to fraction form
    17,271.20/25,906.80 = 15,740.30/x
  3. Step 3: Cross multiply
    17,271.20x = 25,906.80 × 15,740.30
  4. Step 4: Simplify right side
    17,271.20x = 407,780,804.04
  5. Step 5: Solve for x
    x = 407,780,804.04/17,271.20
  6. Step 6: Final answer
    x = 23,610.45

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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.