Home / 38,478.76-57,744.06-15,102.44

Finding the Fourth Proportional to 38,478.76, 57,744.06 and 15,102.44

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Solution

The fourth proportional to 38,478.76, 57,744.06 and 15,102.44 is: 22,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,478.76 : 57,744.06 = 15,102.44 : x
  2. Step 2: Convert to fraction form
    38,478.76/57,744.06 = 15,102.44/x
  3. Step 3: Cross multiply
    38,478.76x = 57,744.06 × 15,102.44
  4. Step 4: Simplify right side
    38,478.76x = 872,076,201.51
  5. Step 5: Solve for x
    x = 872,076,201.51/38,478.76
  6. Step 6: Final answer
    x = 22,663.83

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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.