Home / 26,661.96-39,968.01-11,862.84

Finding the Fourth Proportional to 26,661.96, 39,968.01 and 11,862.84

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Solution

The fourth proportional to 26,661.96, 39,968.01 and 11,862.84 is: 17,783.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,661.96 : 39,968.01 = 11,862.84 : x
  2. Step 2: Convert to fraction form
    26,661.96/39,968.01 = 11,862.84/x
  3. Step 3: Cross multiply
    26,661.96x = 39,968.01 × 11,862.84
  4. Step 4: Simplify right side
    26,661.96x = 474,134,107.75
  5. Step 5: Solve for x
    x = 474,134,107.75/26,661.96
  6. Step 6: Final answer
    x = 17,783.17

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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.