Home / 26,426.86-39,641.10-7,706.44

Finding the Fourth Proportional to 26,426.86, 39,641.10 and 7,706.44

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Solution

The fourth proportional to 26,426.86, 39,641.10 and 7,706.44 is: 11,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,426.86 : 39,641.10 = 7,706.44 : x
  2. Step 2: Convert to fraction form
    26,426.86/39,641.10 = 7,706.44/x
  3. Step 3: Cross multiply
    26,426.86x = 39,641.10 × 7,706.44
  4. Step 4: Simplify right side
    26,426.86x = 305,491,779.34
  5. Step 5: Solve for x
    x = 305,491,779.34/26,426.86
  6. Step 6: Final answer
    x = 11,559.90

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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.