Home / 30,207.27-41,686.79-16,777.88

Finding the Fourth Proportional to 30,207.27, 41,686.79 and 16,777.88

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Solution

The fourth proportional to 30,207.27, 41,686.79 and 16,777.88 is: 23,153.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,207.27 : 41,686.79 = 16,777.88 : x
  2. Step 2: Convert to fraction form
    30,207.27/41,686.79 = 16,777.88/x
  3. Step 3: Cross multiply
    30,207.27x = 41,686.79 × 16,777.88
  4. Step 4: Simplify right side
    30,207.27x = 699,415,667.88
  5. Step 5: Solve for x
    x = 699,415,667.88/30,207.27
  6. Step 6: Final answer
    x = 23,153.89

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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.