Home / 19,724.00-27,248.81-12,934.17

Finding the Fourth Proportional to 19,724.00, 27,248.81 and 12,934.17

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Solution

The fourth proportional to 19,724.00, 27,248.81 and 12,934.17 is: 17,868.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,724.00 : 27,248.81 = 12,934.17 : x
  2. Step 2: Convert to fraction form
    19,724.00/27,248.81 = 12,934.17/x
  3. Step 3: Cross multiply
    19,724.00x = 27,248.81 × 12,934.17
  4. Step 4: Simplify right side
    19,724.00x = 352,440,676.17
  5. Step 5: Solve for x
    x = 352,440,676.17/19,724.00
  6. Step 6: Final answer
    x = 17,868.63

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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.