Home / 26,386.09-39,584.90-8,855.46

Finding the Fourth Proportional to 26,386.09, 39,584.90 and 8,855.46

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Solution

The fourth proportional to 26,386.09, 39,584.90 and 8,855.46 is: 13,285.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,386.09 : 39,584.90 = 8,855.46 : x
  2. Step 2: Convert to fraction form
    26,386.09/39,584.90 = 8,855.46/x
  3. Step 3: Cross multiply
    26,386.09x = 39,584.90 × 8,855.46
  4. Step 4: Simplify right side
    26,386.09x = 350,542,520.69
  5. Step 5: Solve for x
    x = 350,542,520.69/26,386.09
  6. Step 6: Final answer
    x = 13,285.13

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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.