Home / 26,406.81-36,441.09-15,796.42

Finding the Fourth Proportional to 26,406.81, 36,441.09 and 15,796.42

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Solution

The fourth proportional to 26,406.81, 36,441.09 and 15,796.42 is: 21,798.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,406.81 : 36,441.09 = 15,796.42 : x
  2. Step 2: Convert to fraction form
    26,406.81/36,441.09 = 15,796.42/x
  3. Step 3: Cross multiply
    26,406.81x = 36,441.09 × 15,796.42
  4. Step 4: Simplify right side
    26,406.81x = 575,638,671.80
  5. Step 5: Solve for x
    x = 575,638,671.80/26,406.81
  6. Step 6: Final answer
    x = 21,798.87

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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.