Home / 21,864.87-32,795.37-13,093.38

Finding the Fourth Proportional to 21,864.87, 32,795.37 and 13,093.38

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Solution

The fourth proportional to 21,864.87, 32,795.37 and 13,093.38 is: 19,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,864.87 : 32,795.37 = 13,093.38 : x
  2. Step 2: Convert to fraction form
    21,864.87/32,795.37 = 13,093.38/x
  3. Step 3: Cross multiply
    21,864.87x = 32,795.37 × 13,093.38
  4. Step 4: Simplify right side
    21,864.87x = 429,402,241.65
  5. Step 5: Solve for x
    x = 429,402,241.65/21,864.87
  6. Step 6: Final answer
    x = 19,638.91

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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.