Home / 26,511.60-39,766.42-6,521.18

Finding the Fourth Proportional to 26,511.60, 39,766.42 and 6,521.18

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Solution

The fourth proportional to 26,511.60, 39,766.42 and 6,521.18 is: 9,781.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,511.60 : 39,766.42 = 6,521.18 : x
  2. Step 2: Convert to fraction form
    26,511.60/39,766.42 = 6,521.18/x
  3. Step 3: Cross multiply
    26,511.60x = 39,766.42 × 6,521.18
  4. Step 4: Simplify right side
    26,511.60x = 259,323,792.09
  5. Step 5: Solve for x
    x = 259,323,792.09/26,511.60
  6. Step 6: Final answer
    x = 9,781.52

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1.5x scale

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.