Home / 27,089.21-37,383.17-14,990.57

Finding the Fourth Proportional to 27,089.21, 37,383.17 and 14,990.57

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Solution

The fourth proportional to 27,089.21, 37,383.17 and 14,990.57 is: 20,687.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.21 : 37,383.17 = 14,990.57 : x
  2. Step 2: Convert to fraction form
    27,089.21/37,383.17 = 14,990.57/x
  3. Step 3: Cross multiply
    27,089.21x = 37,383.17 × 14,990.57
  4. Step 4: Simplify right side
    27,089.21x = 560,394,764.84
  5. Step 5: Solve for x
    x = 560,394,764.84/27,089.21
  6. Step 6: Final answer
    x = 20,687.01

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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.