Home / 19,652.08-27,121.08-11,271.28

Finding the Fourth Proportional to 19,652.08, 27,121.08 and 11,271.28

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Solution

The fourth proportional to 19,652.08, 27,121.08 and 11,271.28 is: 15,555.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.08 : 27,121.08 = 11,271.28 : x
  2. Step 2: Convert to fraction form
    19,652.08/27,121.08 = 11,271.28/x
  3. Step 3: Cross multiply
    19,652.08x = 27,121.08 × 11,271.28
  4. Step 4: Simplify right side
    19,652.08x = 305,689,286.58
  5. Step 5: Solve for x
    x = 305,689,286.58/19,652.08
  6. Step 6: Final answer
    x = 15,555.06

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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.