Home / 27,813.20-38,381.96-15,066.09

Finding the Fourth Proportional to 27,813.20, 38,381.96 and 15,066.09

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Solution

The fourth proportional to 27,813.20, 38,381.96 and 15,066.09 is: 20,791.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,813.20 : 38,381.96 = 15,066.09 : x
  2. Step 2: Convert to fraction form
    27,813.20/38,381.96 = 15,066.09/x
  3. Step 3: Cross multiply
    27,813.20x = 38,381.96 × 15,066.09
  4. Step 4: Simplify right side
    27,813.20x = 578,266,101.40
  5. Step 5: Solve for x
    x = 578,266,101.40/27,813.20
  6. Step 6: Final answer
    x = 20,791.07

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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.