Home / 19,327.61-28,982.42-11,324.79

Finding the Fourth Proportional to 19,327.61, 28,982.42 and 11,324.79

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Solution

The fourth proportional to 19,327.61, 28,982.42 and 11,324.79 is: 16,981.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.61 : 28,982.42 = 11,324.79 : x
  2. Step 2: Convert to fraction form
    19,327.61/28,982.42 = 11,324.79/x
  3. Step 3: Cross multiply
    19,327.61x = 28,982.42 × 11,324.79
  4. Step 4: Simplify right side
    19,327.61x = 328,219,820.19
  5. Step 5: Solve for x
    x = 328,219,820.19/19,327.61
  6. Step 6: Final answer
    x = 16,981.91

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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.