Home / 25,557.09-38,335.82-8,917.05

Finding the Fourth Proportional to 25,557.09, 38,335.82 and 8,917.05

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Solution

The fourth proportional to 25,557.09, 38,335.82 and 8,917.05 is: 13,375.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,557.09 : 38,335.82 = 8,917.05 : x
  2. Step 2: Convert to fraction form
    25,557.09/38,335.82 = 8,917.05/x
  3. Step 3: Cross multiply
    25,557.09x = 38,335.82 × 8,917.05
  4. Step 4: Simplify right side
    25,557.09x = 341,842,379.15
  5. Step 5: Solve for x
    x = 341,842,379.15/25,557.09
  6. Step 6: Final answer
    x = 13,375.64

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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.