Home / 38,086.48-57,153.28-18,367.04

Finding the Fourth Proportional to 38,086.48, 57,153.28 and 18,367.04

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Solution

The fourth proportional to 38,086.48, 57,153.28 and 18,367.04 is: 27,561.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,086.48 : 57,153.28 = 18,367.04 : x
  2. Step 2: Convert to fraction form
    38,086.48/57,153.28 = 18,367.04/x
  3. Step 3: Cross multiply
    38,086.48x = 57,153.28 × 18,367.04
  4. Step 4: Simplify right side
    38,086.48x = 1,049,736,579.89
  5. Step 5: Solve for x
    x = 1,049,736,579.89/38,086.48
  6. Step 6: Final answer
    x = 27,561.92

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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.