Home / 38,663.39-57,985.88-28,256.02

Finding the Fourth Proportional to 38,663.39, 57,985.88 and 28,256.02

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Solution

The fourth proportional to 38,663.39, 57,985.88 and 28,256.02 is: 42,377.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,663.39 : 57,985.88 = 28,256.02 : x
  2. Step 2: Convert to fraction form
    38,663.39/57,985.88 = 28,256.02/x
  3. Step 3: Cross multiply
    38,663.39x = 57,985.88 × 28,256.02
  4. Step 4: Simplify right side
    38,663.39x = 1,638,449,898.75
  5. Step 5: Solve for x
    x = 1,638,449,898.75/38,663.39
  6. Step 6: Final answer
    x = 42,377.29

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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.