Home / 26,380.28-39,574.26-7,913.72

Finding the Fourth Proportional to 26,380.28, 39,574.26 and 7,913.72

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Solution

The fourth proportional to 26,380.28, 39,574.26 and 7,913.72 is: 11,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,380.28 : 39,574.26 = 7,913.72 : x
  2. Step 2: Convert to fraction form
    26,380.28/39,574.26 = 7,913.72/x
  3. Step 3: Cross multiply
    26,380.28x = 39,574.26 × 7,913.72
  4. Step 4: Simplify right side
    26,380.28x = 313,179,612.85
  5. Step 5: Solve for x
    x = 313,179,612.85/26,380.28
  6. Step 6: Final answer
    x = 11,871.73

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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.