Home / 17,418.52-26,128.02-4,271.20

Finding the Fourth Proportional to 17,418.52, 26,128.02 and 4,271.20

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Solution

The fourth proportional to 17,418.52, 26,128.02 and 4,271.20 is: 6,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,418.52 : 26,128.02 = 4,271.20 : x
  2. Step 2: Convert to fraction form
    17,418.52/26,128.02 = 4,271.20/x
  3. Step 3: Cross multiply
    17,418.52x = 26,128.02 × 4,271.20
  4. Step 4: Simplify right side
    17,418.52x = 111,597,999.02
  5. Step 5: Solve for x
    x = 111,597,999.02/17,418.52
  6. Step 6: Final answer
    x = 6,406.86

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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.