Home / 19,932.66-27,508.32-10,980.14

Finding the Fourth Proportional to 19,932.66, 27,508.32 and 10,980.14

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Solution

The fourth proportional to 19,932.66, 27,508.32 and 10,980.14 is: 15,153.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.66 : 27,508.32 = 10,980.14 : x
  2. Step 2: Convert to fraction form
    19,932.66/27,508.32 = 10,980.14/x
  3. Step 3: Cross multiply
    19,932.66x = 27,508.32 × 10,980.14
  4. Step 4: Simplify right side
    19,932.66x = 302,045,067.22
  5. Step 5: Solve for x
    x = 302,045,067.22/19,932.66
  6. Step 6: Final answer
    x = 15,153.27

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1.5x scale

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.