Home / 19,949.80-27,530.79-10,875.11

Finding the Fourth Proportional to 19,949.80, 27,530.79 and 10,875.11

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Solution

The fourth proportional to 19,949.80, 27,530.79 and 10,875.11 is: 15,007.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.80 : 27,530.79 = 10,875.11 : x
  2. Step 2: Convert to fraction form
    19,949.80/27,530.79 = 10,875.11/x
  3. Step 3: Cross multiply
    19,949.80x = 27,530.79 × 10,875.11
  4. Step 4: Simplify right side
    19,949.80x = 299,400,369.64
  5. Step 5: Solve for x
    x = 299,400,369.64/19,949.80
  6. Step 6: Final answer
    x = 15,007.69

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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.