Home / 19,255.32-28,853.82-14,301.90

Finding the Fourth Proportional to 19,255.32, 28,853.82 and 14,301.90

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Solution

The fourth proportional to 19,255.32, 28,853.82 and 14,301.90 is: 21,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255.32 : 28,853.82 = 14,301.90 : x
  2. Step 2: Convert to fraction form
    19,255.32/28,853.82 = 14,301.90/x
  3. Step 3: Cross multiply
    19,255.32x = 28,853.82 × 14,301.90
  4. Step 4: Simplify right side
    19,255.32x = 412,664,448.26
  5. Step 5: Solve for x
    x = 412,664,448.26/19,255.32
  6. Step 6: Final answer
    x = 21,431.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.