Home / 17,857.02-26,763.93-12,892.26

Finding the Fourth Proportional to 17,857.02, 26,763.93 and 12,892.26

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Solution

The fourth proportional to 17,857.02, 26,763.93 and 12,892.26 is: 19,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,857.02 : 26,763.93 = 12,892.26 : x
  2. Step 2: Convert to fraction form
    17,857.02/26,763.93 = 12,892.26/x
  3. Step 3: Cross multiply
    17,857.02x = 26,763.93 × 12,892.26
  4. Step 4: Simplify right side
    17,857.02x = 345,047,544.18
  5. Step 5: Solve for x
    x = 345,047,544.18/17,857.02
  6. Step 6: Final answer
    x = 19,322.80

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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.