Home / 29,722.76-41,021.60-18,395.90

Finding the Fourth Proportional to 29,722.76, 41,021.60 and 18,395.90

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Solution

The fourth proportional to 29,722.76, 41,021.60 and 18,395.90 is: 25,388.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,722.76 : 41,021.60 = 18,395.90 : x
  2. Step 2: Convert to fraction form
    29,722.76/41,021.60 = 18,395.90/x
  3. Step 3: Cross multiply
    29,722.76x = 41,021.60 × 18,395.90
  4. Step 4: Simplify right side
    29,722.76x = 754,628,954.35
  5. Step 5: Solve for x
    x = 754,628,954.35/29,722.76
  6. Step 6: Final answer
    x = 25,388.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.