Home / 19,980.42-27,573.08-11,027.94

Finding the Fourth Proportional to 19,980.42, 27,573.08 and 11,027.94

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Solution

The fourth proportional to 19,980.42, 27,573.08 and 11,027.94 is: 15,218.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980.42 : 27,573.08 = 11,027.94 : x
  2. Step 2: Convert to fraction form
    19,980.42/27,573.08 = 11,027.94/x
  3. Step 3: Cross multiply
    19,980.42x = 27,573.08 × 11,027.94
  4. Step 4: Simplify right side
    19,980.42x = 304,074,271.86
  5. Step 5: Solve for x
    x = 304,074,271.86/19,980.42
  6. Step 6: Final answer
    x = 15,218.61

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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.