Home / 28,922.60-43,319.10-17,258.60

Finding the Fourth Proportional to 28,922.60, 43,319.10 and 17,258.60

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Solution

The fourth proportional to 28,922.60, 43,319.10 and 17,258.60 is: 25,849.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,922.60 : 43,319.10 = 17,258.60 : x
  2. Step 2: Convert to fraction form
    28,922.60/43,319.10 = 17,258.60/x
  3. Step 3: Cross multiply
    28,922.60x = 43,319.10 × 17,258.60
  4. Step 4: Simplify right side
    28,922.60x = 747,627,019.26
  5. Step 5: Solve for x
    x = 747,627,019.26/28,922.60
  6. Step 6: Final answer
    x = 25,849.23

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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.