Home / 28,761.82-39,479.22-25,547.74

Finding the Fourth Proportional to 28,761.82, 39,479.22 and 25,547.74

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Solution

The fourth proportional to 28,761.82, 39,479.22 and 25,547.74 is: 35,067.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761.82 : 39,479.22 = 25,547.74 : x
  2. Step 2: Convert to fraction form
    28,761.82/39,479.22 = 25,547.74/x
  3. Step 3: Cross multiply
    28,761.82x = 39,479.22 × 25,547.74
  4. Step 4: Simplify right side
    28,761.82x = 1,008,604,847.96
  5. Step 5: Solve for x
    x = 1,008,604,847.96/28,761.82
  6. Step 6: Final answer
    x = 35,067.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.