Home / 19,992.45-27,590.72-11,039.93

Finding the Fourth Proportional to 19,992.45, 27,590.72 and 11,039.93

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Solution

The fourth proportional to 19,992.45, 27,590.72 and 11,039.93 is: 15,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.45 : 27,590.72 = 11,039.93 : x
  2. Step 2: Convert to fraction form
    19,992.45/27,590.72 = 11,039.93/x
  3. Step 3: Cross multiply
    19,992.45x = 27,590.72 × 11,039.93
  4. Step 4: Simplify right side
    19,992.45x = 304,599,424.30
  5. Step 5: Solve for x
    x = 304,599,424.30/19,992.45
  6. Step 6: Final answer
    x = 15,235.72

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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.