Home / 38,662.52-57,898.80-18,877.28

Finding the Fourth Proportional to 38,662.52, 57,898.80 and 18,877.28

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Solution

The fourth proportional to 38,662.52, 57,898.80 and 18,877.28 is: 28,269.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,662.52 : 57,898.80 = 18,877.28 : x
  2. Step 2: Convert to fraction form
    38,662.52/57,898.80 = 18,877.28/x
  3. Step 3: Cross multiply
    38,662.52x = 57,898.80 × 18,877.28
  4. Step 4: Simplify right side
    38,662.52x = 1,092,971,859.26
  5. Step 5: Solve for x
    x = 1,092,971,859.26/38,662.52
  6. Step 6: Final answer
    x = 28,269.55

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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.