Home / 28,794.80-43,166.64-11,277.20

Finding the Fourth Proportional to 28,794.80, 43,166.64 and 11,277.20

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Solution

The fourth proportional to 28,794.80, 43,166.64 and 11,277.20 is: 16,905.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,794.80 : 43,166.64 = 11,277.20 : x
  2. Step 2: Convert to fraction form
    28,794.80/43,166.64 = 11,277.20/x
  3. Step 3: Cross multiply
    28,794.80x = 43,166.64 × 11,277.20
  4. Step 4: Simplify right side
    28,794.80x = 486,798,832.61
  5. Step 5: Solve for x
    x = 486,798,832.61/28,794.80
  6. Step 6: Final answer
    x = 16,905.79

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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.