Home / 20,068.29-27,691.92-11,570.36

Finding the Fourth Proportional to 20,068.29, 27,691.92 and 11,570.36

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Solution

The fourth proportional to 20,068.29, 27,691.92 and 11,570.36 is: 15,965.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.29 : 27,691.92 = 11,570.36 : x
  2. Step 2: Convert to fraction form
    20,068.29/27,691.92 = 11,570.36/x
  3. Step 3: Cross multiply
    20,068.29x = 27,691.92 × 11,570.36
  4. Step 4: Simplify right side
    20,068.29x = 320,405,345.03
  5. Step 5: Solve for x
    x = 320,405,345.03/20,068.29
  6. Step 6: Final answer
    x = 15,965.75

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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.