Home / 19,294.77-28,922.43-13,055.44

Finding the Fourth Proportional to 19,294.77, 28,922.43 and 13,055.44

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Solution

The fourth proportional to 19,294.77, 28,922.43 and 13,055.44 is: 19,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,294.77 : 28,922.43 = 13,055.44 : x
  2. Step 2: Convert to fraction form
    19,294.77/28,922.43 = 13,055.44/x
  3. Step 3: Cross multiply
    19,294.77x = 28,922.43 × 13,055.44
  4. Step 4: Simplify right side
    19,294.77x = 377,595,049.52
  5. Step 5: Solve for x
    x = 377,595,049.52/19,294.77
  6. Step 6: Final answer
    x = 19,569.81

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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.