Home / 26,936.80-40,385.76-11,345.92

Finding the Fourth Proportional to 26,936.80, 40,385.76 and 11,345.92

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Solution

The fourth proportional to 26,936.80, 40,385.76 and 11,345.92 is: 17,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,936.80 : 40,385.76 = 11,345.92 : x
  2. Step 2: Convert to fraction form
    26,936.80/40,385.76 = 11,345.92/x
  3. Step 3: Cross multiply
    26,936.80x = 40,385.76 × 11,345.92
  4. Step 4: Simplify right side
    26,936.80x = 458,213,602.10
  5. Step 5: Solve for x
    x = 458,213,602.10/26,936.80
  6. Step 6: Final answer
    x = 17,010.69

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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.