Home / 38,184.88-57,272.64-11,889.04

Finding the Fourth Proportional to 38,184.88, 57,272.64 and 11,889.04

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Solution

The fourth proportional to 38,184.88, 57,272.64 and 11,889.04 is: 17,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,184.88 : 57,272.64 = 11,889.04 : x
  2. Step 2: Convert to fraction form
    38,184.88/57,272.64 = 11,889.04/x
  3. Step 3: Cross multiply
    38,184.88x = 57,272.64 × 11,889.04
  4. Step 4: Simplify right side
    38,184.88x = 680,916,707.87
  5. Step 5: Solve for x
    x = 680,916,707.87/38,184.88
  6. Step 6: Final answer
    x = 17,832.10

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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.