Home / 17,983.42-26,979.20-5,505.18

Finding the Fourth Proportional to 17,983.42, 26,979.20 and 5,505.18

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Solution

The fourth proportional to 17,983.42, 26,979.20 and 5,505.18 is: 8,259.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,983.42 : 26,979.20 = 5,505.18 : x
  2. Step 2: Convert to fraction form
    17,983.42/26,979.20 = 5,505.18/x
  3. Step 3: Cross multiply
    17,983.42x = 26,979.20 × 5,505.18
  4. Step 4: Simplify right side
    17,983.42x = 148,525,352.26
  5. Step 5: Solve for x
    x = 148,525,352.26/17,983.42
  6. Step 6: Final answer
    x = 8,259.02

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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.