Home / 28,662.73-39,555.70-16,562.81

Finding the Fourth Proportional to 28,662.73, 39,555.70 and 16,562.81

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Solution

The fourth proportional to 28,662.73, 39,555.70 and 16,562.81 is: 22,857.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662.73 : 39,555.70 = 16,562.81 : x
  2. Step 2: Convert to fraction form
    28,662.73/39,555.70 = 16,562.81/x
  3. Step 3: Cross multiply
    28,662.73x = 39,555.70 × 16,562.81
  4. Step 4: Simplify right side
    28,662.73x = 655,153,374.48
  5. Step 5: Solve for x
    x = 655,153,374.48/28,662.73
  6. Step 6: Final answer
    x = 22,857.33

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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.