Home / 19,828.74-27,392.13-15,844.62

Finding the Fourth Proportional to 19,828.74, 27,392.13 and 15,844.62

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Solution

The fourth proportional to 19,828.74, 27,392.13 and 15,844.62 is: 21,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.74 : 27,392.13 = 15,844.62 : x
  2. Step 2: Convert to fraction form
    19,828.74/27,392.13 = 15,844.62/x
  3. Step 3: Cross multiply
    19,828.74x = 27,392.13 × 15,844.62
  4. Step 4: Simplify right side
    19,828.74x = 434,017,890.84
  5. Step 5: Solve for x
    x = 434,017,890.84/19,828.74
  6. Step 6: Final answer
    x = 21,888.32

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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.