Home / 26,689.33-40,008.75-11,890.09

Finding the Fourth Proportional to 26,689.33, 40,008.75 and 11,890.09

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Solution

The fourth proportional to 26,689.33, 40,008.75 and 11,890.09 is: 17,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.33 : 40,008.75 = 11,890.09 : x
  2. Step 2: Convert to fraction form
    26,689.33/40,008.75 = 11,890.09/x
  3. Step 3: Cross multiply
    26,689.33x = 40,008.75 × 11,890.09
  4. Step 4: Simplify right side
    26,689.33x = 475,707,638.29
  5. Step 5: Solve for x
    x = 475,707,638.29/26,689.33
  6. Step 6: Final answer
    x = 17,823.89

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1.5x scale

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.