Home / 21,366.72-32,006.49-12,927.96

Finding the Fourth Proportional to 21,366.72, 32,006.49 and 12,927.96

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Solution

The fourth proportional to 21,366.72, 32,006.49 and 12,927.96 is: 19,365.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,366.72 : 32,006.49 = 12,927.96 : x
  2. Step 2: Convert to fraction form
    21,366.72/32,006.49 = 12,927.96/x
  3. Step 3: Cross multiply
    21,366.72x = 32,006.49 × 12,927.96
  4. Step 4: Simplify right side
    21,366.72x = 413,778,622.46
  5. Step 5: Solve for x
    x = 413,778,622.46/21,366.72
  6. Step 6: Final answer
    x = 19,365.57

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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.