Home / 29,722.14-41,020.78-18,395.28

Finding the Fourth Proportional to 29,722.14, 41,020.78 and 18,395.28

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Solution

The fourth proportional to 29,722.14, 41,020.78 and 18,395.28 is: 25,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,722.14 : 41,020.78 = 18,395.28 : x
  2. Step 2: Convert to fraction form
    29,722.14/41,020.78 = 18,395.28/x
  3. Step 3: Cross multiply
    29,722.14x = 41,020.78 × 18,395.28
  4. Step 4: Simplify right side
    29,722.14x = 754,588,841.76
  5. Step 5: Solve for x
    x = 754,588,841.76/29,722.14
  6. Step 6: Final answer
    x = 25,388.11

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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.