Home / 17,665.30-26,489.43-10,271.89

Finding the Fourth Proportional to 17,665.30, 26,489.43 and 10,271.89

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Solution

The fourth proportional to 17,665.30, 26,489.43 and 10,271.89 is: 15,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,665.30 : 26,489.43 = 10,271.89 : x
  2. Step 2: Convert to fraction form
    17,665.30/26,489.43 = 10,271.89/x
  3. Step 3: Cross multiply
    17,665.30x = 26,489.43 × 10,271.89
  4. Step 4: Simplify right side
    17,665.30x = 272,096,511.12
  5. Step 5: Solve for x
    x = 272,096,511.12/17,665.30
  6. Step 6: Final answer
    x = 15,402.88

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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.