Home / 19,293.15-28,919.99-13,053.82

Finding the Fourth Proportional to 19,293.15, 28,919.99 and 13,053.82

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Solution

The fourth proportional to 19,293.15, 28,919.99 and 13,053.82 is: 19,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.15 : 28,919.99 = 13,053.82 : x
  2. Step 2: Convert to fraction form
    19,293.15/28,919.99 = 13,053.82/x
  3. Step 3: Cross multiply
    19,293.15x = 28,919.99 × 13,053.82
  4. Step 4: Simplify right side
    19,293.15x = 377,516,321.71
  5. Step 5: Solve for x
    x = 377,516,321.71/19,293.15
  6. Step 6: Final answer
    x = 19,567.38

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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.