Home / 39,982.68-59,965.68-15,021.72

Finding the Fourth Proportional to 39,982.68, 59,965.68 and 15,021.72

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Solution

The fourth proportional to 39,982.68, 59,965.68 and 15,021.72 is: 22,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,982.68 : 59,965.68 = 15,021.72 : x
  2. Step 2: Convert to fraction form
    39,982.68/59,965.68 = 15,021.72/x
  3. Step 3: Cross multiply
    39,982.68x = 59,965.68 × 15,021.72
  4. Step 4: Simplify right side
    39,982.68x = 900,787,654.57
  5. Step 5: Solve for x
    x = 900,787,654.57/39,982.68
  6. Step 6: Final answer
    x = 22,529.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.