Home / 26,587.94-39,888.72-7,867.22

Finding the Fourth Proportional to 26,587.94, 39,888.72 and 7,867.22

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Solution

The fourth proportional to 26,587.94, 39,888.72 and 7,867.22 is: 11,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,587.94 : 39,888.72 = 7,867.22 : x
  2. Step 2: Convert to fraction form
    26,587.94/39,888.72 = 7,867.22/x
  3. Step 3: Cross multiply
    26,587.94x = 39,888.72 × 7,867.22
  4. Step 4: Simplify right side
    26,587.94x = 313,813,335.76
  5. Step 5: Solve for x
    x = 313,813,335.76/26,587.94
  6. Step 6: Final answer
    x = 11,802.85

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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.