Home / 15,628.29-23,445.40-5,097.43

Finding the Fourth Proportional to 15,628.29, 23,445.40 and 5,097.43

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Solution

The fourth proportional to 15,628.29, 23,445.40 and 5,097.43 is: 7,647.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.29 : 23,445.40 = 5,097.43 : x
  2. Step 2: Convert to fraction form
    15,628.29/23,445.40 = 5,097.43/x
  3. Step 3: Cross multiply
    15,628.29x = 23,445.40 × 5,097.43
  4. Step 4: Simplify right side
    15,628.29x = 119,511,311.44
  5. Step 5: Solve for x
    x = 119,511,311.44/15,628.29
  6. Step 6: Final answer
    x = 7,647.11

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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.