Home / 28,898.73-39,876.21-16,150.29

Finding the Fourth Proportional to 28,898.73, 39,876.21 and 16,150.29

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Solution

The fourth proportional to 28,898.73, 39,876.21 and 16,150.29 is: 22,285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.73 : 39,876.21 = 16,150.29 : x
  2. Step 2: Convert to fraction form
    28,898.73/39,876.21 = 16,150.29/x
  3. Step 3: Cross multiply
    28,898.73x = 39,876.21 × 16,150.29
  4. Step 4: Simplify right side
    28,898.73x = 644,012,355.60
  5. Step 5: Solve for x
    x = 644,012,355.60/28,898.73
  6. Step 6: Final answer
    x = 22,285.14

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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.