Home / 19,932-27,507.41-10,979.51

Finding the Fourth Proportional to 19,932, 27,507.41 and 10,979.51

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Solution

The fourth proportional to 19,932, 27,507.41 and 10,979.51 is: 15,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932 : 27,507.41 = 10,979.51 : x
  2. Step 2: Convert to fraction form
    19,932/27,507.41 = 10,979.51/x
  3. Step 3: Cross multiply
    19,932x = 27,507.41 × 10,979.51
  4. Step 4: Simplify right side
    19,932x = 302,017,690.73
  5. Step 5: Solve for x
    x = 302,017,690.73/19,932
  6. Step 6: Final answer
    x = 15,152.40

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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.