Home / 28,340.05-39,114.17-16,409.97

Finding the Fourth Proportional to 28,340.05, 39,114.17 and 16,409.97

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Solution

The fourth proportional to 28,340.05, 39,114.17 and 16,409.97 is: 22,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,340.05 : 39,114.17 = 16,409.97 : x
  2. Step 2: Convert to fraction form
    28,340.05/39,114.17 = 16,409.97/x
  3. Step 3: Cross multiply
    28,340.05x = 39,114.17 × 16,409.97
  4. Step 4: Simplify right side
    28,340.05x = 641,862,356.27
  5. Step 5: Solve for x
    x = 641,862,356.27/28,340.05
  6. Step 6: Final answer
    x = 22,648.60

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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.