Home / 28,285.68-39,035.94-16,351.92

Finding the Fourth Proportional to 28,285.68, 39,035.94 and 16,351.92

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Solution

The fourth proportional to 28,285.68, 39,035.94 and 16,351.92 is: 22,566.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,285.68 : 39,035.94 = 16,351.92 : x
  2. Step 2: Convert to fraction form
    28,285.68/39,035.94 = 16,351.92/x
  3. Step 3: Cross multiply
    28,285.68x = 39,035.94 × 16,351.92
  4. Step 4: Simplify right side
    28,285.68x = 638,312,568.00
  5. Step 5: Solve for x
    x = 638,312,568.00/28,285.68
  6. Step 6: Final answer
    x = 22,566.63

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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.