Home / 19,840.96-27,380.44-10,888.61

Finding the Fourth Proportional to 19,840.96, 27,380.44 and 10,888.61

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Solution

The fourth proportional to 19,840.96, 27,380.44 and 10,888.61 is: 15,026.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.96 : 27,380.44 = 10,888.61 : x
  2. Step 2: Convert to fraction form
    19,840.96/27,380.44 = 10,888.61/x
  3. Step 3: Cross multiply
    19,840.96x = 27,380.44 × 10,888.61
  4. Step 4: Simplify right side
    19,840.96x = 298,134,974.02
  5. Step 5: Solve for x
    x = 298,134,974.02/19,840.96
  6. Step 6: Final answer
    x = 15,026.24

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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.