Home / 28,667.45-39,563.09-17,337.42

Finding the Fourth Proportional to 28,667.45, 39,563.09 and 17,337.42

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Solution

The fourth proportional to 28,667.45, 39,563.09 and 17,337.42 is: 23,926.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,667.45 : 39,563.09 = 17,337.42 : x
  2. Step 2: Convert to fraction form
    28,667.45/39,563.09 = 17,337.42/x
  3. Step 3: Cross multiply
    28,667.45x = 39,563.09 × 17,337.42
  4. Step 4: Simplify right side
    28,667.45x = 685,921,821.14
  5. Step 5: Solve for x
    x = 685,921,821.14/28,667.45
  6. Step 6: Final answer
    x = 23,926.86

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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.