Home / 19,081.33-28,625.29-6,429.87

Finding the Fourth Proportional to 19,081.33, 28,625.29 and 6,429.87

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Solution

The fourth proportional to 19,081.33, 28,625.29 and 6,429.87 is: 9,645.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.33 : 28,625.29 = 6,429.87 : x
  2. Step 2: Convert to fraction form
    19,081.33/28,625.29 = 6,429.87/x
  3. Step 3: Cross multiply
    19,081.33x = 28,625.29 × 6,429.87
  4. Step 4: Simplify right side
    19,081.33x = 184,056,877.34
  5. Step 5: Solve for x
    x = 184,056,877.34/19,081.33
  6. Step 6: Final answer
    x = 9,645.92

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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.