Home / 26,587.82-39,875.70-7,869.26

Finding the Fourth Proportional to 26,587.82, 39,875.70 and 7,869.26

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Solution

The fourth proportional to 26,587.82, 39,875.70 and 7,869.26 is: 11,802.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,587.82 : 39,875.70 = 7,869.26 : x
  2. Step 2: Convert to fraction form
    26,587.82/39,875.70 = 7,869.26/x
  3. Step 3: Cross multiply
    26,587.82x = 39,875.70 × 7,869.26
  4. Step 4: Simplify right side
    26,587.82x = 313,792,250.98
  5. Step 5: Solve for x
    x = 313,792,250.98/26,587.82
  6. Step 6: Final answer
    x = 11,802.11

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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.