Home / 26,482.26-39,704.14-12,435.05

Finding the Fourth Proportional to 26,482.26, 39,704.14 and 12,435.05

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Solution

The fourth proportional to 26,482.26, 39,704.14 and 12,435.05 is: 18,643.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,482.26 : 39,704.14 = 12,435.05 : x
  2. Step 2: Convert to fraction form
    26,482.26/39,704.14 = 12,435.05/x
  3. Step 3: Cross multiply
    26,482.26x = 39,704.14 × 12,435.05
  4. Step 4: Simplify right side
    26,482.26x = 493,723,080.91
  5. Step 5: Solve for x
    x = 493,723,080.91/26,482.26
  6. Step 6: Final answer
    x = 18,643.54

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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.