Home / 26,961.12-40,424.40-17,716.32

Finding the Fourth Proportional to 26,961.12, 40,424.40 and 17,716.32

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Solution

The fourth proportional to 26,961.12, 40,424.40 and 17,716.32 is: 26,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,961.12 : 40,424.40 = 17,716.32 : x
  2. Step 2: Convert to fraction form
    26,961.12/40,424.40 = 17,716.32/x
  3. Step 3: Cross multiply
    26,961.12x = 40,424.40 × 17,716.32
  4. Step 4: Simplify right side
    26,961.12x = 716,171,606.21
  5. Step 5: Solve for x
    x = 716,171,606.21/26,961.12
  6. Step 6: Final answer
    x = 26,563.13

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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.