Home / 19,992.32-27,582.72-12,927.68

Finding the Fourth Proportional to 19,992.32, 27,582.72 and 12,927.68

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Solution

The fourth proportional to 19,992.32, 27,582.72 and 12,927.68 is: 17,835.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.32 : 27,582.72 = 12,927.68 : x
  2. Step 2: Convert to fraction form
    19,992.32/27,582.72 = 12,927.68/x
  3. Step 3: Cross multiply
    19,992.32x = 27,582.72 × 12,927.68
  4. Step 4: Simplify right side
    19,992.32x = 356,580,577.69
  5. Step 5: Solve for x
    x = 356,580,577.69/19,992.32
  6. Step 6: Final answer
    x = 17,835.88

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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.