Home / 38,388.56-57,475.29-28,999.04

Finding the Fourth Proportional to 38,388.56, 57,475.29 and 28,999.04

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Solution

The fourth proportional to 38,388.56, 57,475.29 and 28,999.04 is: 43,417.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,388.56 : 57,475.29 = 28,999.04 : x
  2. Step 2: Convert to fraction form
    38,388.56/57,475.29 = 28,999.04/x
  3. Step 3: Cross multiply
    38,388.56x = 57,475.29 × 28,999.04
  4. Step 4: Simplify right side
    38,388.56x = 1,666,728,233.72
  5. Step 5: Solve for x
    x = 1,666,728,233.72/38,388.56
  6. Step 6: Final answer
    x = 43,417.32

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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.