Home / 17,857.04-26,780.36-5,373.84

Finding the Fourth Proportional to 17,857.04, 26,780.36 and 5,373.84

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Solution

The fourth proportional to 17,857.04, 26,780.36 and 5,373.84 is: 8,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,857.04 : 26,780.36 = 5,373.84 : x
  2. Step 2: Convert to fraction form
    17,857.04/26,780.36 = 5,373.84/x
  3. Step 3: Cross multiply
    17,857.04x = 26,780.36 × 5,373.84
  4. Step 4: Simplify right side
    17,857.04x = 143,913,369.78
  5. Step 5: Solve for x
    x = 143,913,369.78/17,857.04
  6. Step 6: Final answer
    x = 8,059.20

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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.