Home / 26,507.79-39,761.28-6,786.18

Finding the Fourth Proportional to 26,507.79, 39,761.28 and 6,786.18

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Solution

The fourth proportional to 26,507.79, 39,761.28 and 6,786.18 is: 10,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,507.79 : 39,761.28 = 6,786.18 : x
  2. Step 2: Convert to fraction form
    26,507.79/39,761.28 = 6,786.18/x
  3. Step 3: Cross multiply
    26,507.79x = 39,761.28 × 6,786.18
  4. Step 4: Simplify right side
    26,507.79x = 269,827,203.11
  5. Step 5: Solve for x
    x = 269,827,203.11/26,507.79
  6. Step 6: Final answer
    x = 10,179.17

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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.