Home / 28,656.12-39,545.34-16,080.84

Finding the Fourth Proportional to 28,656.12, 39,545.34 and 16,080.84

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Solution

The fourth proportional to 28,656.12, 39,545.34 and 16,080.84 is: 22,191.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656.12 : 39,545.34 = 16,080.84 : x
  2. Step 2: Convert to fraction form
    28,656.12/39,545.34 = 16,080.84/x
  3. Step 3: Cross multiply
    28,656.12x = 39,545.34 × 16,080.84
  4. Step 4: Simplify right side
    28,656.12x = 635,922,285.29
  5. Step 5: Solve for x
    x = 635,922,285.29/28,656.12
  6. Step 6: Final answer
    x = 22,191.50

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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.