Home / 26,285.25-39,434.36-7,817.25

Finding the Fourth Proportional to 26,285.25, 39,434.36 and 7,817.25

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Solution

The fourth proportional to 26,285.25, 39,434.36 and 7,817.25 is: 11,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,285.25 : 39,434.36 = 7,817.25 : x
  2. Step 2: Convert to fraction form
    26,285.25/39,434.36 = 7,817.25/x
  3. Step 3: Cross multiply
    26,285.25x = 39,434.36 × 7,817.25
  4. Step 4: Simplify right side
    26,285.25x = 308,268,211.62
  5. Step 5: Solve for x
    x = 308,268,211.62/26,285.25
  6. Step 6: Final answer
    x = 11,727.80

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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.