Home / 26,587.87-39,890.27-7,868.01

Finding the Fourth Proportional to 26,587.87, 39,890.27 and 7,868.01

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Solution

The fourth proportional to 26,587.87, 39,890.27 and 7,868.01 is: 11,804.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,587.87 : 39,890.27 = 7,868.01 : x
  2. Step 2: Convert to fraction form
    26,587.87/39,890.27 = 7,868.01/x
  3. Step 3: Cross multiply
    26,587.87x = 39,890.27 × 7,868.01
  4. Step 4: Simplify right side
    26,587.87x = 313,857,043.26
  5. Step 5: Solve for x
    x = 313,857,043.26/26,587.87
  6. Step 6: Final answer
    x = 11,804.52

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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.