Home / 21,596-29,815.44-14,156.96

Finding the Fourth Proportional to 21,596, 29,815.44 and 14,156.96

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Solution

The fourth proportional to 21,596, 29,815.44 and 14,156.96 is: 19,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,596 : 29,815.44 = 14,156.96 : x
  2. Step 2: Convert to fraction form
    21,596/29,815.44 = 14,156.96/x
  3. Step 3: Cross multiply
    21,596x = 29,815.44 × 14,156.96
  4. Step 4: Simplify right side
    21,596x = 422,095,991.46
  5. Step 5: Solve for x
    x = 422,095,991.46/21,596
  6. Step 6: Final answer
    x = 19,545.10

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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.