Home / 19,960.08-27,548.28-11,581.44

Finding the Fourth Proportional to 19,960.08, 27,548.28 and 11,581.44

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Solution

The fourth proportional to 19,960.08, 27,548.28 and 11,581.44 is: 15,984.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.08 : 27,548.28 = 11,581.44 : x
  2. Step 2: Convert to fraction form
    19,960.08/27,548.28 = 11,581.44/x
  3. Step 3: Cross multiply
    19,960.08x = 27,548.28 × 11,581.44
  4. Step 4: Simplify right side
    19,960.08x = 319,048,751.92
  5. Step 5: Solve for x
    x = 319,048,751.92/19,960.08
  6. Step 6: Final answer
    x = 15,984.34

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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.