Home / 28,849.60-39,812.94-16,921.54

Finding the Fourth Proportional to 28,849.60, 39,812.94 and 16,921.54

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Solution

The fourth proportional to 28,849.60, 39,812.94 and 16,921.54 is: 23,352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,849.60 : 39,812.94 = 16,921.54 : x
  2. Step 2: Convert to fraction form
    28,849.60/39,812.94 = 16,921.54/x
  3. Step 3: Cross multiply
    28,849.60x = 39,812.94 × 16,921.54
  4. Step 4: Simplify right side
    28,849.60x = 673,696,256.73
  5. Step 5: Solve for x
    x = 673,696,256.73/28,849.60
  6. Step 6: Final answer
    x = 23,352.01

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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.