Home / 29,151.44-43,718-10,428.88

Finding the Fourth Proportional to 29,151.44, 43,718 and 10,428.88

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Solution

The fourth proportional to 29,151.44, 43,718 and 10,428.88 is: 15,640.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,151.44 : 43,718 = 10,428.88 : x
  2. Step 2: Convert to fraction form
    29,151.44/43,718 = 10,428.88/x
  3. Step 3: Cross multiply
    29,151.44x = 43,718 × 10,428.88
  4. Step 4: Simplify right side
    29,151.44x = 455,929,775.84
  5. Step 5: Solve for x
    x = 455,929,775.84/29,151.44
  6. Step 6: Final answer
    x = 15,640.04

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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.