Home / 26,405.42-36,439.49-15,797.56

Finding the Fourth Proportional to 26,405.42, 36,439.49 and 15,797.56

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Solution

The fourth proportional to 26,405.42, 36,439.49 and 15,797.56 is: 21,800.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,405.42 : 36,439.49 = 15,797.56 : x
  2. Step 2: Convert to fraction form
    26,405.42/36,439.49 = 15,797.56/x
  3. Step 3: Cross multiply
    26,405.42x = 36,439.49 × 15,797.56
  4. Step 4: Simplify right side
    26,405.42x = 575,655,029.64
  5. Step 5: Solve for x
    x = 575,655,029.64/26,405.42
  6. Step 6: Final answer
    x = 21,800.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.