Home / 38,188.55-57,175.74-28,799.03

Finding the Fourth Proportional to 38,188.55, 57,175.74 and 28,799.03

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Solution

The fourth proportional to 38,188.55, 57,175.74 and 28,799.03 is: 43,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,188.55 : 57,175.74 = 28,799.03 : x
  2. Step 2: Convert to fraction form
    38,188.55/57,175.74 = 28,799.03/x
  3. Step 3: Cross multiply
    38,188.55x = 57,175.74 × 28,799.03
  4. Step 4: Simplify right side
    38,188.55x = 1,646,605,994.47
  5. Step 5: Solve for x
    x = 1,646,605,994.47/38,188.55
  6. Step 6: Final answer
    x = 43,117.79

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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.