Home / 18,864.64-28,296.96-5,015.04

Finding the Fourth Proportional to 18,864.64, 28,296.96 and 5,015.04

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Solution

The fourth proportional to 18,864.64, 28,296.96 and 5,015.04 is: 7,522.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.64 : 28,296.96 = 5,015.04 : x
  2. Step 2: Convert to fraction form
    18,864.64/28,296.96 = 5,015.04/x
  3. Step 3: Cross multiply
    18,864.64x = 28,296.96 × 5,015.04
  4. Step 4: Simplify right side
    18,864.64x = 141,910,386.28
  5. Step 5: Solve for x
    x = 141,910,386.28/18,864.64
  6. Step 6: Final answer
    x = 7,522.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.