Home / 26,614.17-39,890.21-20,019.15

Finding the Fourth Proportional to 26,614.17, 39,890.21 and 20,019.15

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Solution

The fourth proportional to 26,614.17, 39,890.21 and 20,019.15 is: 30,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,614.17 : 39,890.21 = 20,019.15 : x
  2. Step 2: Convert to fraction form
    26,614.17/39,890.21 = 20,019.15/x
  3. Step 3: Cross multiply
    26,614.17x = 39,890.21 × 20,019.15
  4. Step 4: Simplify right side
    26,614.17x = 798,567,997.43
  5. Step 5: Solve for x
    x = 798,567,997.43/26,614.17
  6. Step 6: Final answer
    x = 30,005.37

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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.