Home / 26,455.20-39,682.36-10,659.84

Finding the Fourth Proportional to 26,455.20, 39,682.36 and 10,659.84

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Solution

The fourth proportional to 26,455.20, 39,682.36 and 10,659.84 is: 15,989.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,455.20 : 39,682.36 = 10,659.84 : x
  2. Step 2: Convert to fraction form
    26,455.20/39,682.36 = 10,659.84/x
  3. Step 3: Cross multiply
    26,455.20x = 39,682.36 × 10,659.84
  4. Step 4: Simplify right side
    26,455.20x = 423,007,608.42
  5. Step 5: Solve for x
    x = 423,007,608.42/26,455.20
  6. Step 6: Final answer
    x = 15,989.58

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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.