Home / 28,037.72-38,682.37-17,971.71

Finding the Fourth Proportional to 28,037.72, 38,682.37 and 17,971.71

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Solution

The fourth proportional to 28,037.72, 38,682.37 and 17,971.71 is: 24,794.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037.72 : 38,682.37 = 17,971.71 : x
  2. Step 2: Convert to fraction form
    28,037.72/38,682.37 = 17,971.71/x
  3. Step 3: Cross multiply
    28,037.72x = 38,682.37 × 17,971.71
  4. Step 4: Simplify right side
    28,037.72x = 695,188,401.62
  5. Step 5: Solve for x
    x = 695,188,401.62/28,037.72
  6. Step 6: Final answer
    x = 24,794.76

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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.