Home / 28,600.56-39,467.16-16,665.84

Finding the Fourth Proportional to 28,600.56, 39,467.16 and 16,665.84

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Solution

The fourth proportional to 28,600.56, 39,467.16 and 16,665.84 is: 22,997.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,600.56 : 39,467.16 = 16,665.84 : x
  2. Step 2: Convert to fraction form
    28,600.56/39,467.16 = 16,665.84/x
  3. Step 3: Cross multiply
    28,600.56x = 39,467.16 × 16,665.84
  4. Step 4: Simplify right side
    28,600.56x = 657,753,373.81
  5. Step 5: Solve for x
    x = 657,753,373.81/28,600.56
  6. Step 6: Final answer
    x = 22,997.92

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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.