Home / 28,749.12-39,673.48-16,002.09

Finding the Fourth Proportional to 28,749.12, 39,673.48 and 16,002.09

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Solution

The fourth proportional to 28,749.12, 39,673.48 and 16,002.09 is: 22,082.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.12 : 39,673.48 = 16,002.09 : x
  2. Step 2: Convert to fraction form
    28,749.12/39,673.48 = 16,002.09/x
  3. Step 3: Cross multiply
    28,749.12x = 39,673.48 × 16,002.09
  4. Step 4: Simplify right side
    28,749.12x = 634,858,597.57
  5. Step 5: Solve for x
    x = 634,858,597.57/28,749.12
  6. Step 6: Final answer
    x = 22,082.71

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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.