Home / 28,158.45-38,852.46-16,826.25

Finding the Fourth Proportional to 28,158.45, 38,852.46 and 16,826.25

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Solution

The fourth proportional to 28,158.45, 38,852.46 and 16,826.25 is: 23,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,158.45 : 38,852.46 = 16,826.25 : x
  2. Step 2: Convert to fraction form
    28,158.45/38,852.46 = 16,826.25/x
  3. Step 3: Cross multiply
    28,158.45x = 38,852.46 × 16,826.25
  4. Step 4: Simplify right side
    28,158.45x = 653,741,205.08
  5. Step 5: Solve for x
    x = 653,741,205.08/28,158.45
  6. Step 6: Final answer
    x = 23,216.52

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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.