Home / 28,945.58-39,945.03-16,372.76

Finding the Fourth Proportional to 28,945.58, 39,945.03 and 16,372.76

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Solution

The fourth proportional to 28,945.58, 39,945.03 and 16,372.76 is: 22,594.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,945.58 : 39,945.03 = 16,372.76 : x
  2. Step 2: Convert to fraction form
    28,945.58/39,945.03 = 16,372.76/x
  3. Step 3: Cross multiply
    28,945.58x = 39,945.03 × 16,372.76
  4. Step 4: Simplify right side
    28,945.58x = 654,010,389.38
  5. Step 5: Solve for x
    x = 654,010,389.38/28,945.58
  6. Step 6: Final answer
    x = 22,594.48

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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.