Home / 38,387.52-57,643.79-23,689.87

Finding the Fourth Proportional to 38,387.52, 57,643.79 and 23,689.87

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Solution

The fourth proportional to 38,387.52, 57,643.79 and 23,689.87 is: 35,573.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,387.52 : 57,643.79 = 23,689.87 : x
  2. Step 2: Convert to fraction form
    38,387.52/57,643.79 = 23,689.87/x
  3. Step 3: Cross multiply
    38,387.52x = 57,643.79 × 23,689.87
  4. Step 4: Simplify right side
    38,387.52x = 1,365,573,628.85
  5. Step 5: Solve for x
    x = 1,365,573,628.85/38,387.52
  6. Step 6: Final answer
    x = 35,573.37

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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.