Home / 26,968.56-40,428-11,377.68

Finding the Fourth Proportional to 26,968.56, 40,428 and 11,377.68

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Solution

The fourth proportional to 26,968.56, 40,428 and 11,377.68 is: 17,056.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,968.56 : 40,428 = 11,377.68 : x
  2. Step 2: Convert to fraction form
    26,968.56/40,428 = 11,377.68/x
  3. Step 3: Cross multiply
    26,968.56x = 40,428 × 11,377.68
  4. Step 4: Simplify right side
    26,968.56x = 459,976,847.04
  5. Step 5: Solve for x
    x = 459,976,847.04/26,968.56
  6. Step 6: Final answer
    x = 17,056.04

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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.