Home / 28,935.77-39,932.21-16,360.25

Finding the Fourth Proportional to 28,935.77, 39,932.21 and 16,360.25

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Solution

The fourth proportional to 28,935.77, 39,932.21 and 16,360.25 is: 22,577.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935.77 : 39,932.21 = 16,360.25 : x
  2. Step 2: Convert to fraction form
    28,935.77/39,932.21 = 16,360.25/x
  3. Step 3: Cross multiply
    28,935.77x = 39,932.21 × 16,360.25
  4. Step 4: Simplify right side
    28,935.77x = 653,300,856.85
  5. Step 5: Solve for x
    x = 653,300,856.85/28,935.77
  6. Step 6: Final answer
    x = 22,577.62

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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.