Home / 26,971.14-40,391.10-18,628.95

Finding the Fourth Proportional to 26,971.14, 40,391.10 and 18,628.95

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Solution

The fourth proportional to 26,971.14, 40,391.10 and 18,628.95 is: 27,898.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,971.14 : 40,391.10 = 18,628.95 : x
  2. Step 2: Convert to fraction form
    26,971.14/40,391.10 = 18,628.95/x
  3. Step 3: Cross multiply
    26,971.14x = 40,391.10 × 18,628.95
  4. Step 4: Simplify right side
    26,971.14x = 752,443,782.35
  5. Step 5: Solve for x
    x = 752,443,782.35/26,971.14
  6. Step 6: Final answer
    x = 27,898.11

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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.