Home / 26,377.31-39,565.97-7,909.31

Finding the Fourth Proportional to 26,377.31, 39,565.97 and 7,909.31

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Solution

The fourth proportional to 26,377.31, 39,565.97 and 7,909.31 is: 11,863.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,377.31 : 39,565.97 = 7,909.31 : x
  2. Step 2: Convert to fraction form
    26,377.31/39,565.97 = 7,909.31/x
  3. Step 3: Cross multiply
    26,377.31x = 39,565.97 × 7,909.31
  4. Step 4: Simplify right side
    26,377.31x = 312,939,611.21
  5. Step 5: Solve for x
    x = 312,939,611.21/26,377.31
  6. Step 6: Final answer
    x = 11,863.97

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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.