Home / 26,943.73-40,423.60-13,805.33

Finding the Fourth Proportional to 26,943.73, 40,423.60 and 13,805.33

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Solution

The fourth proportional to 26,943.73, 40,423.60 and 13,805.33 is: 20,712.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,943.73 : 40,423.60 = 13,805.33 : x
  2. Step 2: Convert to fraction form
    26,943.73/40,423.60 = 13,805.33/x
  3. Step 3: Cross multiply
    26,943.73x = 40,423.60 × 13,805.33
  4. Step 4: Simplify right side
    26,943.73x = 558,061,068.76
  5. Step 5: Solve for x
    x = 558,061,068.76/26,943.73
  6. Step 6: Final answer
    x = 20,712.09

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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.