Home / 38,427.60-57,645.24-11,773.28

Finding the Fourth Proportional to 38,427.60, 57,645.24 and 11,773.28

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Solution

The fourth proportional to 38,427.60, 57,645.24 and 11,773.28 is: 17,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,427.60 : 57,645.24 = 11,773.28 : x
  2. Step 2: Convert to fraction form
    38,427.60/57,645.24 = 11,773.28/x
  3. Step 3: Cross multiply
    38,427.60x = 57,645.24 × 11,773.28
  4. Step 4: Simplify right side
    38,427.60x = 678,673,551.19
  5. Step 5: Solve for x
    x = 678,673,551.19/38,427.60
  6. Step 6: Final answer
    x = 17,661.10

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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.