Home / 26,439.60-39,657.36-9,791.84

Finding the Fourth Proportional to 26,439.60, 39,657.36 and 9,791.84

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Solution

The fourth proportional to 26,439.60, 39,657.36 and 9,791.84 is: 14,687.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,439.60 : 39,657.36 = 9,791.84 : x
  2. Step 2: Convert to fraction form
    26,439.60/39,657.36 = 9,791.84/x
  3. Step 3: Cross multiply
    26,439.60x = 39,657.36 × 9,791.84
  4. Step 4: Simplify right side
    26,439.60x = 388,318,523.94
  5. Step 5: Solve for x
    x = 388,318,523.94/26,439.60
  6. Step 6: Final answer
    x = 14,687.00

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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.