Home / 19,929.92-27,474.56-13,943.04

Finding the Fourth Proportional to 19,929.92, 27,474.56 and 13,943.04

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Solution

The fourth proportional to 19,929.92, 27,474.56 and 13,943.04 is: 19,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.92 : 27,474.56 = 13,943.04 : x
  2. Step 2: Convert to fraction form
    19,929.92/27,474.56 = 13,943.04/x
  3. Step 3: Cross multiply
    19,929.92x = 27,474.56 × 13,943.04
  4. Step 4: Simplify right side
    19,929.92x = 383,078,889.06
  5. Step 5: Solve for x
    x = 383,078,889.06/19,929.92
  6. Step 6: Final answer
    x = 19,221.30

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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.