Home / 26,905.84-40,396.20-13,767.28

Finding the Fourth Proportional to 26,905.84, 40,396.20 and 13,767.28

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Solution

The fourth proportional to 26,905.84, 40,396.20 and 13,767.28 is: 20,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,905.84 : 40,396.20 = 13,767.28 : x
  2. Step 2: Convert to fraction form
    26,905.84/40,396.20 = 13,767.28/x
  3. Step 3: Cross multiply
    26,905.84x = 40,396.20 × 13,767.28
  4. Step 4: Simplify right side
    26,905.84x = 556,145,796.34
  5. Step 5: Solve for x
    x = 556,145,796.34/26,905.84
  6. Step 6: Final answer
    x = 20,670.08

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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.