Home / 26,836.91-40,261.69-26,390.63

Finding the Fourth Proportional to 26,836.91, 40,261.69 and 26,390.63

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Solution

The fourth proportional to 26,836.91, 40,261.69 and 26,390.63 is: 39,592.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,836.91 : 40,261.69 = 26,390.63 : x
  2. Step 2: Convert to fraction form
    26,836.91/40,261.69 = 26,390.63/x
  3. Step 3: Cross multiply
    26,836.91x = 40,261.69 × 26,390.63
  4. Step 4: Simplify right side
    26,836.91x = 1,062,531,363.96
  5. Step 5: Solve for x
    x = 1,062,531,363.96/26,836.91
  6. Step 6: Final answer
    x = 39,592.16

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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.