Home / 28,609.64-42,889.66-11,067.40

Finding the Fourth Proportional to 28,609.64, 42,889.66 and 11,067.40

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Solution

The fourth proportional to 28,609.64, 42,889.66 and 11,067.40 is: 16,591.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,609.64 : 42,889.66 = 11,067.40 : x
  2. Step 2: Convert to fraction form
    28,609.64/42,889.66 = 11,067.40/x
  3. Step 3: Cross multiply
    28,609.64x = 42,889.66 × 11,067.40
  4. Step 4: Simplify right side
    28,609.64x = 474,677,023.08
  5. Step 5: Solve for x
    x = 474,677,023.08/28,609.64
  6. Step 6: Final answer
    x = 16,591.51

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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.