Home / 28,665.76-39,558.58-16,090.56

Finding the Fourth Proportional to 28,665.76, 39,558.58 and 16,090.56

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Solution

The fourth proportional to 28,665.76, 39,558.58 and 16,090.56 is: 22,204.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,665.76 : 39,558.58 = 16,090.56 : x
  2. Step 2: Convert to fraction form
    28,665.76/39,558.58 = 16,090.56/x
  3. Step 3: Cross multiply
    28,665.76x = 39,558.58 × 16,090.56
  4. Step 4: Simplify right side
    28,665.76x = 636,519,705.00
  5. Step 5: Solve for x
    x = 636,519,705.00/28,665.76
  6. Step 6: Final answer
    x = 22,204.88

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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.