Home / 19,966.70-29,960.58-15,283.82

Finding the Fourth Proportional to 19,966.70, 29,960.58 and 15,283.82

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Solution

The fourth proportional to 19,966.70, 29,960.58 and 15,283.82 is: 22,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.70 : 29,960.58 = 15,283.82 : x
  2. Step 2: Convert to fraction form
    19,966.70/29,960.58 = 15,283.82/x
  3. Step 3: Cross multiply
    19,966.70x = 29,960.58 × 15,283.82
  4. Step 4: Simplify right side
    19,966.70x = 457,912,111.82
  5. Step 5: Solve for x
    x = 457,912,111.82/19,966.70
  6. Step 6: Final answer
    x = 22,933.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.