Home / 27,874.60-38,465.22-15,299.26

Finding the Fourth Proportional to 27,874.60, 38,465.22 and 15,299.26

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Solution

The fourth proportional to 27,874.60, 38,465.22 and 15,299.26 is: 21,112.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,874.60 : 38,465.22 = 15,299.26 : x
  2. Step 2: Convert to fraction form
    27,874.60/38,465.22 = 15,299.26/x
  3. Step 3: Cross multiply
    27,874.60x = 38,465.22 × 15,299.26
  4. Step 4: Simplify right side
    27,874.60x = 588,489,401.74
  5. Step 5: Solve for x
    x = 588,489,401.74/27,874.60
  6. Step 6: Final answer
    x = 21,112.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.