Home / 38,928.60-58,396.99-17,865.05

Finding the Fourth Proportional to 38,928.60, 58,396.99 and 17,865.05

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Solution

The fourth proportional to 38,928.60, 58,396.99 and 17,865.05 is: 26,799.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,928.60 : 58,396.99 = 17,865.05 : x
  2. Step 2: Convert to fraction form
    38,928.60/58,396.99 = 17,865.05/x
  3. Step 3: Cross multiply
    38,928.60x = 58,396.99 × 17,865.05
  4. Step 4: Simplify right side
    38,928.60x = 1,043,265,146.20
  5. Step 5: Solve for x
    x = 1,043,265,146.20/38,928.60
  6. Step 6: Final answer
    x = 26,799.46

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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.