Home / 19,628.16-27,087.21-10,675.86

Finding the Fourth Proportional to 19,628.16, 27,087.21 and 10,675.86

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Solution

The fourth proportional to 19,628.16, 27,087.21 and 10,675.86 is: 14,732.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.16 : 27,087.21 = 10,675.86 : x
  2. Step 2: Convert to fraction form
    19,628.16/27,087.21 = 10,675.86/x
  3. Step 3: Cross multiply
    19,628.16x = 27,087.21 × 10,675.86
  4. Step 4: Simplify right side
    19,628.16x = 289,179,261.75
  5. Step 5: Solve for x
    x = 289,179,261.75/19,628.16
  6. Step 6: Final answer
    x = 14,732.88

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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.