Home / 26,213.87-39,293.11-18,814.32

Finding the Fourth Proportional to 26,213.87, 39,293.11 and 18,814.32

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Solution

The fourth proportional to 26,213.87, 39,293.11 and 18,814.32 is: 28,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,213.87 : 39,293.11 = 18,814.32 : x
  2. Step 2: Convert to fraction form
    26,213.87/39,293.11 = 18,814.32/x
  3. Step 3: Cross multiply
    26,213.87x = 39,293.11 × 18,814.32
  4. Step 4: Simplify right side
    26,213.87x = 739,273,145.34
  5. Step 5: Solve for x
    x = 739,273,145.34/26,213.87
  6. Step 6: Final answer
    x = 28,201.60

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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.