Home / 17,904.65-26,857.26-5,424.80

Finding the Fourth Proportional to 17,904.65, 26,857.26 and 5,424.80

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Solution

The fourth proportional to 17,904.65, 26,857.26 and 5,424.80 is: 8,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,904.65 : 26,857.26 = 5,424.80 : x
  2. Step 2: Convert to fraction form
    17,904.65/26,857.26 = 5,424.80/x
  3. Step 3: Cross multiply
    17,904.65x = 26,857.26 × 5,424.80
  4. Step 4: Simplify right side
    17,904.65x = 145,695,264.05
  5. Step 5: Solve for x
    x = 145,695,264.05/17,904.65
  6. Step 6: Final answer
    x = 8,137.29

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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.