Home / 29,272.34-40,395.48-15,843.28

Finding the Fourth Proportional to 29,272.34, 40,395.48 and 15,843.28

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Solution

The fourth proportional to 29,272.34, 40,395.48 and 15,843.28 is: 21,863.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,272.34 : 40,395.48 = 15,843.28 : x
  2. Step 2: Convert to fraction form
    29,272.34/40,395.48 = 15,843.28/x
  3. Step 3: Cross multiply
    29,272.34x = 40,395.48 × 15,843.28
  4. Step 4: Simplify right side
    29,272.34x = 639,996,900.37
  5. Step 5: Solve for x
    x = 639,996,900.37/29,272.34
  6. Step 6: Final answer
    x = 21,863.54

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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.