Home / 28,795.68-43,167.60-11,278.08

Finding the Fourth Proportional to 28,795.68, 43,167.60 and 11,278.08

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Solution

The fourth proportional to 28,795.68, 43,167.60 and 11,278.08 is: 16,906.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795.68 : 43,167.60 = 11,278.08 : x
  2. Step 2: Convert to fraction form
    28,795.68/43,167.60 = 11,278.08/x
  3. Step 3: Cross multiply
    28,795.68x = 43,167.60 × 11,278.08
  4. Step 4: Simplify right side
    28,795.68x = 486,847,646.21
  5. Step 5: Solve for x
    x = 486,847,646.21/28,795.68
  6. Step 6: Final answer
    x = 16,906.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.