Home / 19,782.03-27,301.68-11,828.64

Finding the Fourth Proportional to 19,782.03, 27,301.68 and 11,828.64

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Solution

The fourth proportional to 19,782.03, 27,301.68 and 11,828.64 is: 16,325.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782.03 : 27,301.68 = 11,828.64 : x
  2. Step 2: Convert to fraction form
    19,782.03/27,301.68 = 11,828.64/x
  3. Step 3: Cross multiply
    19,782.03x = 27,301.68 × 11,828.64
  4. Step 4: Simplify right side
    19,782.03x = 322,941,744.12
  5. Step 5: Solve for x
    x = 322,941,744.12/19,782.03
  6. Step 6: Final answer
    x = 16,325.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.