Home / 21,377.05-32,067.70-17,465.36

Finding the Fourth Proportional to 21,377.05, 32,067.70 and 17,465.36

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Solution

The fourth proportional to 21,377.05, 32,067.70 and 17,465.36 is: 26,199.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,377.05 : 32,067.70 = 17,465.36 : x
  2. Step 2: Convert to fraction form
    21,377.05/32,067.70 = 17,465.36/x
  3. Step 3: Cross multiply
    21,377.05x = 32,067.70 × 17,465.36
  4. Step 4: Simplify right side
    21,377.05x = 560,073,720.87
  5. Step 5: Solve for x
    x = 560,073,720.87/21,377.05
  6. Step 6: Final answer
    x = 26,199.77

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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.