Home / 28,350.54-39,127.68-16,417.62

Finding the Fourth Proportional to 28,350.54, 39,127.68 and 16,417.62

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Solution

The fourth proportional to 28,350.54, 39,127.68 and 16,417.62 is: 22,658.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,350.54 : 39,127.68 = 16,417.62 : x
  2. Step 2: Convert to fraction form
    28,350.54/39,127.68 = 16,417.62/x
  3. Step 3: Cross multiply
    28,350.54x = 39,127.68 × 16,417.62
  4. Step 4: Simplify right side
    28,350.54x = 642,383,381.72
  5. Step 5: Solve for x
    x = 642,383,381.72/28,350.54
  6. Step 6: Final answer
    x = 22,658.59

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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.